HN does not let me edit, but I regret using the even mildly derogatory term "keyboard nazi", lest somebody read it and take it to mean they should prove they are more than that.

Everybody has very common insecurities. The key is to find out what is really bothering these disaffected people (housing, job, normal human relationship and sexual issues, etc.) and address it, rather than allowing blame-shifting and scapegoating to fester.