(If he does mind, please leave me a comment, and I'll delete it.)
In the Flushdance comments section, I remarked about this lout's behavior and Joxum asked, "Would they do it in a live game?"
Actually, the answer no. In person, players occasionally act like jerks, but in general, it would certainly be much less both in frequency and intensity. People who can hide behind a curtain, known as the Internet, are much more likely to say crazy and nasty things. Online boards are clogged with insults hurled by people hiding behind screen names. Online chat boxes and message forums offer faceless, consequence-free communication. You don't have to look someone in the eye, so to speak, and nice people become
This guy said it well:
"It's well known that people say and do things in cyberspace that they wouldn't ordinarily say or do in the face-to-face world. They loosen up, feel more uninhibited, express themselves more openly. Researchers call this the 'disinhibition effect.' . . .
"Out spills rude language and harsh criticisms, anger, hatred, even threats. Or people explore the dark underworld of the internet, places of pornography and violence, places they would never visit in the real world. We might call this toxic disinhibition."
--- From John Suler's The Psychology of Cyberspace.
Here's a link to an article by someone in the Psych Department at the University of North Dakota -- they call it "On the Internet nobody knows you're a dog." I love the title.
Someone at Michigan State University wrote his/her Master's thesis on this same topic.