Well, in general, I agree. But what happens when you have two 50 point comments? I would like to signal which person I think is winning the argument, and enshr

Well, in general, I agree. But what happens when you have two 50 point comments? I would like to signal which person I think is winning the argument, and enshrine the best comment with the most votes, forever on the internet. If a comment already has tons of points, it's not going to get buried. But I think it's positive if the crowd judges the merits of the arguments and tries to distinguish the best comment for future readers. Maybe it's less appropriate here where "right" and "wrong" are often unclear. But in forums like StackOverflow, I would like people to downvote the lesser answers, even if they don't totally suck.