regarding the comments, what are the types of comments that get lots of upvotes but are not constructive? is it the funny ones? also, what about having a multi

regarding the comments, what are the types of comments that get lots of upvotes but are not constructive? is it the funny ones? also, what about having a multiparametric approact to voting like this: http://textchannels.com/?mode=page&pg=about http://textchannels.com/?mode=page&pg=about (shameless plug i know, but hopefully on topic)