Yes, but in this case the upvoters could have simply upvoted the parent comment pg was replying to. Short "i agree" or "i disagree" type of comments are usuall

Yes, but in this case the upvoters could have simply upvoted the parent comment pg was replying to. Short "i agree" or "i disagree" type of comments are usually discouraged on HN, as they don't really contribute to the discussion. Usually.