[bossyTeacher]

Maybe, but defintely needs to be put on a watchlist. Otherwise, at some point, that deranged guy will actually enact his horrible fantasies and the families of the victims will demand to know why the guy wasn't confined when he was clearly having fantasies about this.

While not all people like him end up actually doing anything, you can't pretend those who do didn't fantasize before doing it. The difference is that now we can potentially have access to people's fantasies and act before it's too late