Quite so.
As Chesterton observed, it doesn’t take faith to believe in Original Sin and all its consequences. You just have to read the newspaper.
I don’t mean to denigrate this gentleman, who might be perfectly sincere and well-intentioned, but if so, he never had any notion of Christianity. Shocked out of your faith because you met a Christian who did something bad? Preposterous!
On the other hand, he might have been huckster all along, and he’s just changed his shtick.