[sakagami0]

Speaking for Reddit, it was an unfortunate consequence of the pseudonymous and point system. As communities got larger, there would be less and less tolerance for discussion and focus would stray towards quick (easily digested) posts.

Although, the counter point is that people in general are less likely to produce discussion. Or, that a lack there of of easily digested posts invokes discussion.

[ChuckMcM]

So does the karma/points thing make it an attractive nusiance for trolls? It does seem to encourage participation which is one of the challenges of any community (way more lurkers than speakers)