For starters, people like him aren't piloting planes into buildings, hanging 14 year old girls, or committing the vast majority of terrorist attacks in the modern world. And don't even mention those whose faith was in the Dictatorship of the Proletariat.

Maybe we have different definitions of "dangerous."

This won't impress people who believe that a bomb accidentally killing a child in a shelter is the exact moral equivalent of walking into a room filled with women and children and setting off a poisoned fragmentation charge, but there's no getting through to people like that anyway.

"End times" types have been around since I was in college. In one form or other, they've been around since the beginning of Christianity. As Asimov put it, it's been 2000 years, and they're still waiting. Psychologically, it's comforting for some people to believe that some wonderful outside force is going to come in before it all hits the fan and Fix Everything. If it isn't Jesus, it's space aliens.

The vast majority of Christians don't worry about the end times. If they even think about it, they feel that when Christ comes back, he expects to see them doing their job, with the lamps filled, more talents to show than they were given, and living according to their faith.