If you're worried about someone coming to your party, perhaps start with not sending them a gold-leafed invitation.
I presume all of Thiel's noise about the antichrist is a play at trying to maintain some support for techno-fascism from the religious fundamentalists after they're done satiating themselves with the recent Crusades. The reality is of course that the closest thing we have to an antichrist figure is sitting in the White House, having charmed millions with his blatantly false promises.