The Anthropic Principle is so strong that is makes honest physicists, astronomers and cosmologist who lean toward agnostic or atheist positions really squirm when discussing aspect of it.
Here is a great example thereof.(4:45)
Leonard Susskind - Is the Universe Fine-Tuned for Life and Mind?
Forgive a little gratuitous name dropping.
My Dad worked with James Van Allen at Johns Hopkins Applied Physics Lab during WWII. A few years before my time. Mom said that sometimes he had come over for dinner. I wish I could have sat in on those dinner table conversations!
Is it the “Weak” Anthropic principle that says that the reason we observe how finely tuned and perfect the earth/universe is for life is because otherwise we wouldn’t be here to observe it?