There are those on the payroll of organised religious bodies who do not believe that the God they represent actually exists
In fact, Contrex didn't accuse Smiley of sneering. He was merely cautioning Smiley against doing so. Subtle difference.
Is your assertion that no theist could have come to be a theist through logic and reason?
Yes. But if you have an example whereby it could happen I might reconsider my opinion.