If there was hard evidence, nearly everyone on Earth would change their faith. If the evidence had even a small, indistinguishable crack in its logic, there would be millions of people who would refuse to even listen... which has no relevance really.

If God appeared and proved beyond the shadow of a doubt that he existed, people would have to change their beliefs. I mean, if something you think is right is one day proven, absolutely positively, proven beyond all shadow of a doubt, that it is false, you have to change the way you think about it.

What is it they say about silence being golden?