Because most of the people here (I know you mean here, because there are TONNES of people like that here) are so insecure about them selves, that they imitate the first person they see on a board who happens to show them some form of friendship. So you end up with a bunch of people, who, for fear of being an OUTCAST, speak and think exactly the same way.
The people who are just SO desperate for some sort of acceptance, or at least mild pity. You know the kind, the kind who join forums and say "oMG, My life sucks, I think i'm gng to kill myself, unless sum1 tells me not too!!"3

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