Just thought this might give you an insight into how some people behave in forums.
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Don't feed the trolls.

You know the ones I'm talking about. They prey on news forums, chat rooms, and other online communities. Their purpose: to disrupt any conversation or thread, and to get an emotional response from some unwary person. Ignoring them and not responding to their posts is your best option.

What kind of people are trolls? They're cowards. Lonely cowards. Their posts seldom show any real imagination and often resort to childish name-calling.

Trolls are often extremely pedantic and rarely answer direct questions. There are some exceptions, but most aren't smart enough to make a reasonable argument. They're not interested in reason. They repeat themselves and say stupid, off-focus things to disrupt conversations.

Some trolls like to brag about their IQ. They try to come across like rocket scientists to lure the unwary and then pounce with a verbal attack. Trolls count the responses they get. It must be highly pleasurable for the poor creatures to count coups if they disrupt other people's emotional equilibrium.

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As mentioned in the article it is always best not to respond - another reason behind the trolls behaviour is possibly a jealous competitor trying to throw a spanner in the works and to cause disruption.