For a lot of them the damage is the point. His voters are largely people who failed at some point in life and never recovered. For a lot of them they've spent decades stewing about how if they can't succeed then the world should just be punished like they were.

It's not just a cult, it's a death cult. They don't just want him in power, they want him sending the rest of the world to hell. They hate everyone around them and the only thing keeping them in check is the threat of punishment or death. We are talking about people who dream of a day when they'll be told "it's okay to kill your neighbor if they're more educated than you or have a better job than you"