You should have read Vic Stenger's "The Fallacy of Fine Tuning". Vic points out how many examples of  fine tuning are mis-conceived...including Hoyle's prediction of an excited state of carbon.  Vic also points out the fallacy of just considering one parameter when the parameter space is high dimensional.

But my general criticism of fine-tuning is two-fold.  First, the concept is not well defined.  There is no apriori probability distribution over possible values.  If the possible values are infinite, then any realized value is improbable.  Fine tuning is all in the intuition.  Charts are drawn showing little "we are here" zones to prove the fine tuning.  But the scales are sometimes linear, sometimes logarithmic.  And why those parameters and not the square?...or the square root?  Bayesian inference is not invariant under change of parameters.

Second, calling it "fine-tuning" implies some kind of process of "tuning" or "selection".  But that's gratuitous.  Absent supernatural miracles, we must find ourselves in a universe in which we are nomologically possible.  And that is true whether there is one universe or infinitely many.  So it cannot be evidence one way or the other for the number of universes.

Brent

On 10/14/2020 7:38 PM, Jason Resch wrote:
I just finished an article on all the science behind fine-tuning, and how the evidence suggests an infinite, and possibly complete reality. I thought others on this list might appreciate it:
https://alwaysasking.com/was-the-universe-made-for-life/

I welcome any discussion, feedback, or corrections.

Jason
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