It's good that the name deters. If the site is difficult to use, then only committed users will remain. A socially inappropriate name does this without killing usability.
2, group indoctrination at a segregated living facility
3. a common goal that is very rarely questioned publicly
But as cults go it's a fairly innocuous one, on a par with the chamber of commerce or a particularly hard working fraternity. More like an Art School really.
I don't see the relevance. Social groups enforce norms. This turns out to be yet another way that we enforce our norms, and maintain a healthy community. This leads to great articles and discussion.
I think that quips should be modded away in the same way and for the same reasons that tasteless jokes are.