[khnyny]

[You guys laugh at stuff like this -- but I've seen stuff online that genuinely scares me[

The stupidity, ignorance and hate can be overwhelming. The majority of people on these sites fall into different categories - young liberal kids who don't know crap, intelligent kids (of all ages) who've fallen for the party line, enemy operatives of any stripe and crazies.

[durasell]

There's also a group dynamic at work -- people trying to top each other in being outrageous or radical.