I very rarely post here but I have been a reader for years. Seeing all the flaming that happens, I figured this article I just found may be of interest.
Here is an excerpt
Flaming can be induced in some people with alarming ease. Consider an experiment, reported in 2002 in The Journal of Language and Social Psychology, in which pairs of college students — strangers — were put in separate booths to get to know each other better by exchanging messages in a simulated online chat room.
While coming and going into the lab, the students were well behaved. But the experimenter was stunned to see the messages many of the students sent. About 20 percent of the e-mail conversations immediately became outrageously lewd or simply rude.
It is an interesting read.