Prior to Darwin, William Paley made a famous analogy in his book Natural Theology, the analogy of a someone walking along a beach and finding a watch. Paley argued that it would be unreasonable for any such person to deny that such a thing (with so purposeful an arrangement of so many parts) was a product of design; and that it is just as unreasonable to deny that the purposeful arrangement of parts we see so abundantly in biological organisms is the product of design. The phony legend arose that Darwin did something to answer Paley's argument; but he did not. Darwin never mentioned Paley's famous analogy in any of his chief writings. Darwin never credibly explained how some fine-tuned arrangement of very many parts to meet a particular function end could be naturally achieved. Darwin's paid almost no attention to the huge fine-tuned complexity and component interdependence in organisms.
In the twentieth century, the evidence for what looks like purposeful design in organisms increased enormously, as scientists discovered the enormous organization and component interdependence of hundreds of types of humans cells and thousands of types of protein molecules, very high levels of functional complexity Darwin knew nothing about. In the late twentieth century, it began to become clear that there was a second gigantic basis for believing in design in nature: the fine-tuning of the universe's fundamental constants and laws. It turns out that the universe must be very specially arranged for there to be any possibility of there being creatures such as human beings and civilizations such as our civilization. The table below helps to show some of the requirements. The color coding helps to show how the same things recur as requirements for multiple things.
I will now explain why each item has the requirements I have listed.
Row 1 (Higgs field): The Higgs field (related to the Higgs boson) is said to give mass to other particles. Scientists are puzzled by why the Higgs field has the strength it has, and they say that it seems to require fine-tuning to 15 decimal places. This is a problem called the hierarchy problem or the naturalness problem. It is discussed in this scientific paper entitled The Higgs: so simple yet so unnatural. As a Daily Galaxy article put it, “Using theory as it currently stands, the mass of the Higgs boson can only be explained as the result of a random fine-tuning of the physical constants of the universe at a level of accuracy of one in one quadrillion.”
Row 2 (up quarks and down quarks, electrons): The particles in the nuclei of atoms (protons and neutrons) are made up of smaller particles called up quarks and down quarks. A requirement of the large-scale existence of up quarks and down quarks (and also electrons) is what scientists call matter/antimatter asymmetry (a situation where matter is vastly more abundant than antimatter). This is a puzzle to scientists, because the standard model of physics seems to predict that matter and antimatter should have existed in equal amounts at the time of the Big Bang, which would have caused both types of particles to collide with each other and convert into energy, leaving almost nothing but energy in the universe. A requirement for electrons is the Higgs field, and on this page a physicist says that the electron would not have mass without the Higgs field.
Row 3 (protons, neutrons): The simple requirement is that there be up quarks and down quarks, discussed in the previous paragraph.
Row 4 (hydrogen atoms): The requirement for a hydrogen atom is that you have one proton and one electron, and also the electromagnetic force, the force of attraction between a proton and an electron. Without that force, electrons would not have any tendency to orbit a nucleus.
Row 5 (galaxies): Galaxies are huge collections of stars. There are many requirements for the formation of galaxies after the Big Bang. The universe had to begin with a fine-tuned expansion rate, as a slighter higher rate would have caused an expansion too fast for galaxies to form, and a slightly slower rate would have caused all matter to collapse into superdense black holes. Scientists also say that numerous other things had to be just right (the other items listed in this row). One requirement is primordial density perturbations greater than .000001 and less than .0001, as explained here. One particularly severe requirement seems to involve dark energy, which is regarded pretty much the same as the cosmological constant. Cosmologists conclude that the level of dark energy seems to have been fine-tuned to something like 1 part in 1060 or one part in 10120. The issue, called the vacuum catastrophe, has been fretted over by many physicists. This paper refers to the “tremendous, unsolved naturalness problem” posed by the cosmological constant.
Row 6 (carbon atoms): This row refers to the abundant existence of carbon atoms, something which ends up having lots of requirements. Besides the previously mentioned requirements for the hydrogen atom (protons, electrons, and the electromagnetic force), there are the additional requirements of the neutron and the strong nuclear force (the two of them allow you to have a carbon nucleus that holds together, despite the mutual repulsion between the protons). There is also the requirement that you have a law of nature called the Pauli Exclusion Principle, something that is quite necessary for both solid matter and complex carbon bonds. Then there is an additional requirement for something called nuclear resonances, which assures that carbon is produced in abundant quantities by stars through a process called the triple alpha process. Without this additional requirement, there would not be enough carbon (which wasn't produced in the Big Bang). This point has been widely discussed by scientists such as Hoyle, and in this scientific paper stating that a 0.4% change in one parameter would have left us without a universe abundant in both carbon and oxygen. An additional requirement that I had no space to list in my table is the requirement that the neutron mass be higher than the proton mass.
Row 7 (oxygen atoms): Oxygen atoms have all the same requirements of carbon atoms, including the same special requirement involving nuclear resonances, necessary for oxygen to be produced by stars in abundant amounts. The scientific paper here argues that there would not be much oxygen without the weak nuclear force, so I have also listed that as a requirement.
Row 8 (Heavier atoms): By heavier atoms I mean all atoms than have more than about 25 protons (which includes copper, lead, silver, gold, zinc, tin, and probably also iron). These types of atoms have most of the same requirements of carbon atoms and oxygen atoms, except that to have these atoms in abundance you don't need nuclear resonances but instead the stellar explosions called supernovae explosions (explosions of stars that produce heavy elements such as lead and iron). These supernovae explosions require a tiny particle called the neutrino and a force called the weak nuclear force.
Row 9 (Sunlike stars): I may define sunlike stars as those that are white, yellow, or orange (or some combination of those colors). Sunlike stars require galaxies (since if galaxies had not formed, there would be no stars). Sunlike stars also require a very delicate fine-tuning of some of the most fundamental constants of nature. The physicist Paul Davies says on page 73 of The Accidental Universe: “If gravity were very slightly weaker, or electromagnetism very slightly stronger (or the electron slightly less massive relative to the proton), all stars would be red dwarfs. A correspondingly tiny change the other way, and they would all be blue giants.” Blue giants are too-short lived for life to evolve near them, and red dwarf stars are not believed to be as favorable for life's evolution as sunlike stars.
Row 10 (water): Water requires oxygen atoms and hydrogen atoms, as we can tell from its formula H20. Because of its remarkable features that make it unique among liquids, there are probably additional requirements for water, but I haven't listed them.
Row 11 (stable planets): One requirement for stable planets is gravitation, the force that holds planets and stars together. But there is another very interesting requirement: that the electric charge of the proton exactly match the electric charge of the electron, to many decimal places. Electromagnetism (the fundamental force involving electric charges) is roughly 1036 times stronger than gravitation, the weakest of the fundamental forces by far. Consequently a very slight mismatch between the charge of the electron and the proton would cause electromagnetism (roughly a trillion trillion trillion times stronger than gravitation) to completely overwhelm the gravity holding the planet together. In his book The Symbiotic Universe, astronomer George Greenstein (a professor emeritus at Amherst College) says this about the equality of the proton and electron charges: "Relatively small things like stones, people, and the like would fly apart if the two charges differed by as little as one part in 100 billion. Large structures like the Earth and the Sun require for their existence a yet more perfect balance of one part in a billion billion." In fact, experiments do indicate that the charge of the proton and the electron match to eighteen decimal places.
Row 12 (nucleotides): Nucleotides are molecules that are the building blocks of RNA and DNA, molecules essential for life. Nucleotides require three types of atoms mentioned above (carbon, oxygen, and hydrogen atoms), as well as phosphorus atoms. They also require physics to be arranged in a way that allows for atoms to combine to make molecules consisting of multiple atoms.
Row 13 (genetic code): The genetic code is a semantic framework used by DNA and RNA, one in which particular combination of nucleotides stand for particular amino acids. The genetic code could roughly be called the software used by DNA and RNA. The origin of this code is one of science's great mysteries. We do not know how this code (required for all biological evolution) appeared from mere chemicals. This is the “code from chemicals” problem described in this blog post.
Row 14 (RNA): RNA is one of the two main molecules used by all living things, and it is believed to have preceded the more well-known and more complicated molecule DNA. It requires nucleotides (from which RNA is built), as well as the genetic code and water (as a substrate).
Row 15 (DNA): DNA requires nucleotides (from which it is built), as well as the genetic code and water. I also list RNA as a requirement since it is believed that RNA was a necessary predecessor of DNA.
Row 16 (Proteins, cells): Proteins are made by DNA and RNA using the genetic code. Requirements include water and amino acids (which I didn't list in the table for space reasons).
Row 17 (Photosynthesis): Photosynthesis is the process by which plants convert sunlight to chemical energy. Recent studies suggest that photosynthesis uses exotic quantum effects.
Row 18 (Civilizations near sunlike stars): Now we come to the last and most important row, which mentions civilizations such as our civilization. There are many requirements for such a civilization. All of the items on the 17 previous rows on the table are indirect or direct requirements of civilizations near sunlike stars. The well-understood direct requirements of such civilizations are heavier atoms (needed so that the civilization can have the metals needed for technology), sunlike stars, stable planets, proteins, cells, and photosynthesis (the last one being necessary even if the beings in a civilization ate nothing but meat, because they would still rely on a food chain that would require photosynthesis).
Row 6 (carbon atoms): This row refers to the abundant existence of carbon atoms, something which ends up having lots of requirements. Besides the previously mentioned requirements for the hydrogen atom (protons, electrons, and the electromagnetic force), there are the additional requirements of the neutron and the strong nuclear force (the two of them allow you to have a carbon nucleus that holds together, despite the mutual repulsion between the protons). There is also the requirement that you have a law of nature called the Pauli Exclusion Principle, something that is quite necessary for both solid matter and complex carbon bonds. Then there is an additional requirement for something called nuclear resonances, which assures that carbon is produced in abundant quantities by stars through a process called the triple alpha process. Without this additional requirement, there would not be enough carbon (which wasn't produced in the Big Bang). This point has been widely discussed by scientists such as Hoyle, and in this scientific paper stating that a 0.4% change in one parameter would have left us without a universe abundant in both carbon and oxygen. An additional requirement that I had no space to list in my table is the requirement that the neutron mass be higher than the proton mass.
Row 7 (oxygen atoms): Oxygen atoms have all the same requirements of carbon atoms, including the same special requirement involving nuclear resonances, necessary for oxygen to be produced by stars in abundant amounts. The scientific paper here argues that there would not be much oxygen without the weak nuclear force, so I have also listed that as a requirement.
Row 8 (Heavier atoms): By heavier atoms I mean all atoms than have more than about 25 protons (which includes copper, lead, silver, gold, zinc, tin, and probably also iron). These types of atoms have most of the same requirements of carbon atoms and oxygen atoms, except that to have these atoms in abundance you don't need nuclear resonances but instead the stellar explosions called supernovae explosions (explosions of stars that produce heavy elements such as lead and iron). These supernovae explosions require a tiny particle called the neutrino and a force called the weak nuclear force.
Row 9 (Sunlike stars): I may define sunlike stars as those that are white, yellow, or orange (or some combination of those colors). Sunlike stars require galaxies (since if galaxies had not formed, there would be no stars). Sunlike stars also require a very delicate fine-tuning of some of the most fundamental constants of nature. The physicist Paul Davies says on page 73 of The Accidental Universe: “If gravity were very slightly weaker, or electromagnetism very slightly stronger (or the electron slightly less massive relative to the proton), all stars would be red dwarfs. A correspondingly tiny change the other way, and they would all be blue giants.” Blue giants are too-short lived for life to evolve near them, and red dwarf stars are not believed to be as favorable for life's evolution as sunlike stars.
Row 10 (water): Water requires oxygen atoms and hydrogen atoms, as we can tell from its formula H20. Because of its remarkable features that make it unique among liquids, there are probably additional requirements for water, but I haven't listed them.
Row 11 (stable planets): One requirement for stable planets is gravitation, the force that holds planets and stars together. But there is another very interesting requirement: that the electric charge of the proton exactly match the electric charge of the electron, to many decimal places. Electromagnetism (the fundamental force involving electric charges) is roughly 1036 times stronger than gravitation, the weakest of the fundamental forces by far. Consequently a very slight mismatch between the charge of the electron and the proton would cause electromagnetism (roughly a trillion trillion trillion times stronger than gravitation) to completely overwhelm the gravity holding the planet together. In his book The Symbiotic Universe, astronomer George Greenstein (a professor emeritus at Amherst College) says this about the equality of the proton and electron charges: "Relatively small things like stones, people, and the like would fly apart if the two charges differed by as little as one part in 100 billion. Large structures like the Earth and the Sun require for their existence a yet more perfect balance of one part in a billion billion." In fact, experiments do indicate that the charge of the proton and the electron match to eighteen decimal places.
A curious coincidence
Row 12 (nucleotides): Nucleotides are molecules that are the building blocks of RNA and DNA, molecules essential for life. Nucleotides require three types of atoms mentioned above (carbon, oxygen, and hydrogen atoms), as well as phosphorus atoms. They also require physics to be arranged in a way that allows for atoms to combine to make molecules consisting of multiple atoms.
Row 13 (genetic code): The genetic code is a semantic framework used by DNA and RNA, one in which particular combination of nucleotides stand for particular amino acids. The genetic code could roughly be called the software used by DNA and RNA. The origin of this code is one of science's great mysteries. We do not know how this code (required for all biological evolution) appeared from mere chemicals. This is the “code from chemicals” problem described in this blog post.
Row 14 (RNA): RNA is one of the two main molecules used by all living things, and it is believed to have preceded the more well-known and more complicated molecule DNA. It requires nucleotides (from which RNA is built), as well as the genetic code and water (as a substrate).
Row 15 (DNA): DNA requires nucleotides (from which it is built), as well as the genetic code and water. I also list RNA as a requirement since it is believed that RNA was a necessary predecessor of DNA.
Row 16 (Proteins, cells): Proteins are made by DNA and RNA using the genetic code. Requirements include water and amino acids (which I didn't list in the table for space reasons).
Row 17 (Photosynthesis): Photosynthesis is the process by which plants convert sunlight to chemical energy. Recent studies suggest that photosynthesis uses exotic quantum effects.
Row 18 (Civilizations near sunlike stars): Now we come to the last and most important row, which mentions civilizations such as our civilization. There are many requirements for such a civilization. All of the items on the 17 previous rows on the table are indirect or direct requirements of civilizations near sunlike stars. The well-understood direct requirements of such civilizations are heavier atoms (needed so that the civilization can have the metals needed for technology), sunlike stars, stable planets, proteins, cells, and photosynthesis (the last one being necessary even if the beings in a civilization ate nothing but meat, because they would still rely on a food chain that would require photosynthesis).
There are probably quite a few additional requirements for organisms such as humans and technological civilizations. The table does not even mention the requirement that the universe's initial entropy be enormously smaller than expected, one that cosmologist Roger Penrose has cited as being vastly improbable by chance, while mentioning on this page a "chance of a universe allowing intelligent life" probability of about 1 in 10 to the 10 to the 124th power (less than the chance of you correctly guessing the phone numbers of everyone in your neighborhood). The table does not even mention homochirality, an unexplained characteristic of earthly life (seemingly impossible by chance) that may require additional special physics fine-tuning to explain. The table does not mention protein-folding, the unexplained phenomenon (necessary for our existence) in which chains of amino acids form quickly into very complex just-right 3D structures needed for the existence of functional protein molecules. That may also require additional special physics fine-tuning. We have no idea of how proteins are able to form so quickly into the very many types of protein complexes needed for our existence (often called "molecular machines"), and such ever-occurring purposeful-seeming assembly (seemingly inexplicable under our current understanding) may also require additional special physics fine-tuning. And those who think that brains give rise to minds often end up appealing to special fine-tuned physics to try to explain the arising of minds.
Another way to visualize cosmic fine-tuning is to imagine a slot machine with a big handle on its right. The slot machine can produce the jackpot of cosmic habitability (a universe allowing creatures like us), but only on something like 1 try in 1,000,000,000,000,000,000,000,000,000,000,000,000,00,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000 -- because each of its rows has to have a special match that is very unlikely to occur.
Below are some quotes by scientists on this topic of cosmic fine-tuning, quotes in which scientists confess to its reality.
- "The universe appears designed." -- Stephen Hawking, in a statement to physicist Thomas Hertog (link).
- "The laws of nature form a system that is extremely fine-tuned, and very little in physical law can be altered without destroying the possibility of the development of life as we know it.” -- Stephen Hawking and Leonard Mlodinow, The Grand Design (page 161),
- "The simple FLRW-based ΛCDM lambda cold cark matter] model has been so successful in fitting data. However one of its ‘simple’ parameters is the Cosmological Constant Λ which, interpreted as the energy density of the quantum vacuum, would require fine-tuning of two unrelated terms to at least 60 decimal places to enable the Universe to exist in its present form. It is clear that simplicity is in the eye of the beholder." -- Four scientists, "Colloquium: The Cosmic Dipole Anomaly" (link).
- "Of all the universes that could exist, ours is spectacularly well configured to bring forth life....The universe’s biofriendliness, it turns out, concerns the laws of physics themselves. There are numerous features in these laws that render the universe just right for living things...But the density of vacuum energy seems to be 10¹²⁰ times lower than physicists expect based on theory. If the vacuum energy density of the universe were just a tad larger, however, its repulsive effect would be stronger and acceleration would have kicked in much earlier. This would have meant that matter was so sparsely distributed that it couldn’t clump together to form stars and galaxies, once again precluding the formation of life. The laws of physics and cosmology have many more such life-engendering properties. It almost feels as if the universe is a fix – a big one." -- Physicist Thomas Hertog (link).
- "We conclude that a change of more than 0.5 % in the strength of the strong interaction or more than 4 % change in the strength of the Coulomb force would destroy either nearly all C [carbon] or all O [oxygen] in every star. This implies that irrespective of stellar evolution the contribution of each star to the abundance of C or O in the ISM would be negligible. Therefore, for the above cases the creation of carbon-based life in our universe would be strongly disfavoured." -- Oberhummer, Csot, and Schlattl, "Stellar Production Rates of Carbon and Its Abundance in the Universe."
- "From 1953 onward, Willy Fowler and I have always been intrigued by the remarkable relation of the 7.65 Mev energy level in the nucleus of 12C [Carbon 12 isotope] to the 7.12 Mev level in 16O [Oxygen 16 isotope]. If you wanted to produce carbon and oxygen in roughly equal quantities by stellar nucleosynthesis, these are the two levels you have to fix, and your fixing would have to be just where these levels are actually found to be. Another put-up job? Following the above argument, I am inclined to think so. A common sense interpretation of the facts suggests that a superintellect has monkeyed with physics, as well as with chemistry and biology, and that there are no blind forces worth speaking about in nature." -- Astronomer Fred Hoyle, "The Universe -- Past and Present Reflections" (link).
- "The cosmological constant must be tuned to 120 decimal places and there are also many mysterious ‘coincidences’ involving the physical constants that appear to be necessary for life, or any form of information processing, to exist....Fred Hoyle first pointed out, the beryllium would decay before interacting with another alpha particle were it not for the existence of a remarkably finely-tuned resonance in this interaction. Heinz Oberhummer has studied this resonance in detail and showed how the amount of oxygen and carbon produced in red giant stars varies with the strength and range of the nucleon interactions. His work indicates that these must be tuned to at least 0.5% if one is to produce both these elements to the extent required for life." -- Physicists B.J. Carr and M.J. Rees, "Fine-Tuning in Living Systems."
- "The Standard Model [of physics] is regarded as a highly 'unnatural' theory. Aside from having a large number of different particles and forces, many of which seem surplus to requirement, it is also very precariously balanced. If you change any of the 20+ numbers that have to be put into the theory even a little, you rapidly find yourself living in a universe without atoms. This spooky fine-tuning worries many physicists, leaving the universe looking as though it has been set up in just the right way for life to exist." -- Harry Cliff, particle physicist, in a Scientific American article.
- "If the parameters defining the physics of our universe departed from their present values, the observed rich structure and complexity would not be supported....Thirty-one such dimensionless parameters were identified that specify our universe. Fine-tuning refers to the observation that if any of these numbers took a slightly different value, the qualitative features of our universe would change dramatically. Our large, long-lived universe with a hierarchy of complexity from the sub-atomic to the galactic is the result of particular values of these parameters." -- Jeffrey M. Shainline, physicist (link).
- "The overall result is that, because multiverse hypotheses do not predict the fine-tuning for this universe any better than a single universe hypothesis, the multiverse hypotheses fail as explanations for cosmic fine-tuning. Conversely, the fine-tuning data does not support the multiverse hypotheses." -- physicist V. Palonen, "Bayesian considerations on the multiverse explanation of cosmic fine-tuning."
- "A mere 1 percent offset between the charge of the electron and that of the proton would lead to a catastrophic repulsion....My entire body would dissolve in a massive explosion...The very Earth itself, the planet as a whole, would crack open and fly apart in an annihilating explosion...This is what would happen were the electron's charge to exceed the proton's by 1 percent. The opposite case, in which the proton's charge exceeded the electron's, would lead to the identical situation...How precise must the balance be?...Relatively small things like atoms, people and the like would fly apart if the charges differed by as little as one part in 100 billion. Larger structures like the Earth and the Sun require for their existence a yet more perfect balance of one part in a billion billion." -- Astronomy professor emeritus George Greenstein, "The Symbiotic Universe: Life and Mind in the Cosmos," pages 63-64.
- "What is particularly striking is how sensitive the possibility of life in our universe is to a small change in these constants. For example, if the constant that controls the way the electromagnetic field behaves in a vacuum is changed by four percent, then fusion in stars could not produce carbon....Change the cosmological constant in the 123rd decimal place and suddenly it's impossible to have a habitable galaxy." -- Marcus Du Sautoy, Charles Simonyi Professor for the Public Understanding of Science at Oxford University, "The Great Unknown," page 221.
- "The evolution of the cosmos is determined by initial conditions (such as the initial rate of expansion and the initial mass of matter), as well as by fifteen or so numbers called physical constants (such as the speed of the light and the mass of the electron). We have by now measured these physical constants with extremely high precision, but we have failed to come up with any theory explaining why they have their particular values. One of the most surprising discoveries of modern cosmology is the realization that the initial conditions and physical constants of the universe had to be adjusted with exquisite precision if they are to allow the emergence of conscious observers. This realization is referred to as the 'anthropic principle'...Change the initial conditions and physical constants ever so slightly, and the universe would be empty and sterile; we would not be around to discuss it. The precision of this fine-tuning is nothing short of stunning. The initial rate of expansion of the universe, to take just one example, had to have been tweaked to a precision comparable to that of an archer trying to land an arrow in a 1-square-centimeter target located on the fringes of the universe, 15 billion light years away!" -- Trinh Xuan Thuan, Professor of Astronomy, University of Virginia, “Chaos and Harmony” p. 235.
- "If we are indeed simply requiring suitable conditions for the evolution of intelligent life just here, then the figure of ~ [1 in 10 to the 10 to the 124th power] that we appear to find for the improbability of the universe conditions that we actually seem to find ourselves in is ridiculously smaller than the much more modest figure needed just for ourselves." -- Cosmologist Roger Penrose, "Fashion, faith and fantasy in the new physics of the universe," page 313 (link).
One way to gauge whether a "deliberate design" interpretation of cosmic fine-tuning is intellectually respectable is to look for how many philosophers accept such an interpretation. Before answering that question (giving an answer supplied by a poll), I must give some background information on the current academic environment of philosophers. Professors of philosophy work in a conformist academia environment in which atheistic ideas are predominant. Departments of philosophy have long been havens for those with a tendency towards secularism, atheism and materialism.
According to the paper here, " The 2020 PhilPapers Survey surveyed around 2000 philosophers on 100 philosophical questions." Here is one of the questions that the survey asked about:
| Cosmological fine-tuning (what explains it?) | ||||
| Design | 140 | 17.3 | ||
| Multiverse | 122 | 15.1 | ||
| Brute fact | 259 | 32.1 | ||
| No fine-tuning | 175 | 21.7 | ||
| Other | 144 | 17.8 | ||
The first number column is the number of philosophy department faculty members giving a particular answer, and the second number column is what percentage gave that answer.
The most popular answer of "Brute fact" amounts to saying "There is no explanation." In philosophy a "brute fact" is something that exists without any explanation. Whenever anyone claims that something is a brute fact, it is a confession of explanatory bankruptcy. The man who says "it's a brute fact" is someone saying, "I have no explanation, and there is no explanation." "Brute fact" as an answer to this question has no credibility.
Also with no credibility is the "no fine-tuning" answer given by 17% of the respondents. It is obvious from the information and quotes above that cosmic fine-tuning is a very substantial reality.
The "multiverse" answer refers to attempts to explain cosmic fine-tuning by postulating some infinity or near-infinity of universes. So desperate an explanation has no credibility, for reasons discussed in my posts here and here. An important relevant point is that you do not do anything to increase the chance of any one universe being habitable by imagining the existence of other universes.
It is very interesting that in the poll above, the interpretation of "design" (endorsed by 17.3 % of the polled philosophers) scored higher than the interpretation of "multiverse" (endorsed by 15.1 % of the polled philosophers). Clearly atheists are telling a phony story when they claim that it is no longer intellectually respectable to claim that nature shows signs of a cosmic designer. Such an interpretation (one assuming a cosmic designer) is supported by a decent fraction of philosophers, despite such philosophers working in an environment in which such an interpretation is discouraged and stigmatized and frowned upon. And any interpretation supported by a decent fraction of philosophers (some of the smartest people in colleges and universities) should be regarded as very intellectually respectable.
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