[quote]but history would show the Bible is 100% man made, no God's intervention. [/quote]

Here we go again with that whole making claims without showing evidence. Your priest of science would be proud.

[quote]Do they provide proper proof and evidence?
Observable, physical, repeatable proof and evidence?[/quote]

Why should that matter? You make decisions with serious, tangible, consequences on much shakier testimony, or testimony that says it has evidence. This decision has no consequences and stronger proof. 

[quote]
it is safe to say it doesn't exist rather than to simply say you don't know. [/quote]

Go up to a mathematician and say the Riemann hypothesis is false because no one has proven it. Watch them laugh and ask to see your proof.