We all have to remember HN commenters are irrelevant as far as marketing any product. If you see the embarrassing "Show HN" posts for Dropbox, interviewcake and other startups, you can see that being hated by HN has zero relation to the success of a product. Right now Quora is getting a lot of hate here, while they may be on the verge of a $1 billion IPO. We need to realize that our views really don't matter and in some cases are counter productive.
You can say that about any website; doesn't make the argument valid or invalid. It simply doesn't describe anything about the impact of the argument _either_ way.