Sometimes mean spirited comments can be full of usable ideas, or at least they can fuel a debate between contrasting opinions. Remember that what looks to be a

Sometimes mean spirited comments can be full of usable ideas, or at least they can fuel a debate between contrasting opinions. Remember that what looks to be a mean spirited comment by you, might be taken a completely different way by someone else. In any case I'd say that more important than mean comments is a the downvote everything I dislike regardless of if it contributes to the discussion in any way. It stalls actual conversation between different opinions.