Because they only have the voice man gave them! A "theist", in the century, is a person who willfully ignores reality and without any consideration, rejects common knowledge. Pretty good definition of a fool.
This is one reason why keeping religion - ALL religion - out of government is important. And government neutrality on the issue of religion is NOT the functional equivalent of promoting atheism. It is the government taking no sides on the issue of relig
Atheists seem to spend as much time trying to "disprove" religion as hypocrite religious people spend trying to prove it just like the enlightened "no religion" religion 🤔🤔🤔 I don't care if anyone else believes what I believe or doesn't it's MY BELIEF.