> this is a pithy think to say but its really not true, and every person that has lost their religion and been convinced by rational argument is a counter example.

And what of people that were convinced by rational argument that a God must exist? To some (Aristotle, Plotinus, Leibniz, etc) it is irrational to deny such existence:

* https://www.goodreads.com/book/show/35592365-five-proofs-of-...

You also seem to imply that rationality is a single monolithic thing:

* https://en.wikipedia.org/wiki/Whose_Justice%3F_Which_Rationa...