If we sort top-level comments by Karma votes, and count agreement separately, my comment won't be the most upvoted and won't be prominently located at the top of the comment list. It's wrong that this mostly content-free trivial point is given such importance, even as, being trivial, it meets universal agreement. On the other hand, it's good to know that Less Wrong on the same page here, so some way of signaling agreement is useful as well.