This story has a bunch of comments, including one with 4 points, but only has 2 points itself. I think it's actually common to comment on a story and not upvote

This story has a bunch of comments, including one with 4 points, but only has 2 points itself. I think it's actually common to comment on a story and not upvote it. I know I do that often. One reason is people often comments on stories they dislike, so they can call the author a tool, or whatever.