Snark is a terrible way to comment.  You could offer him constructive advice, not upvote him, or even flag the post if you choose.  There are many less damaging and less mean ways to express your displeasure.<p>See the section on comments in PG's essay here: <a href="http://paulgraham.com/hackernews.html" rel="nofollow">http://paulgraham.com/hackernews.html</a>