If you had a button that would turn all theists into atheists and agnostic?

[Shell B]

How can you be atheist if you can't ask questions of religion and conclude through critical thinking that it is BS.

Not BS. Plenty of idiots are atheists. It sounds like you want to think you are part of some elite group. In reality, atheists do not believe in god. Some fucking feral child who has never been exposed to humanity would be an atheist. Would that make him or her a critical thinker by default?

You might think I'm wrong, but as far as I'm concerned thinking for yourself is a pre requisite of atheism.

I do think you are wrong.

So IMO, changing them to atheists would change them to critical thinkers because IMO the two are mutually exclusive.

I really do not think you meant to say mutually exclusive right there. I'll let you sort it out. Even if that phrase meant what you think it means, it would not necessarily be true. There are plenty of critical thinkers who are religious and atheists who are idiots. Just because someone is a little kooky on the religion front does not mean they can not think critically at all. To suggest so is kind of asinine, in my opinion.

Let's get pressing that button!

There is no "let's" about it. Such a button is not only logically absurd, but suspension of disbelief does nothing to make it less absurd. Anyone who would push such a button is taking away the freedom of others. The idea is disgusting.