A prime example would be posting "Python is so much better than Perl!" It wouldn't matter whether the poster really believed that; he would write it because he knows it'll stir things up.
Someone who responds to such a post is said to have been trolled.
Also see troll in the Jargon File.
In reply to Re: Re: Ignoring nodes
by chipmunk
in thread Ignoring nodes
by zigster
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