[matb33]

Maybe it's a matter of adjusting some copy... "Show HN" was appropriate when HN consisted of its higher quality membership. You were showing your project to people who were more likely to provide better quality feedback.

Now that the population has grown, there are more commenters and more Show HNs, yet the presentation hasn't changed to accommodate this (same number of posts per page, same comment layout despite more comments, etc).

Maybe something like "Review HN"? Whatever it would be, it may be time to get more specific. Ultimately you're trying to filter out unhelpful comments. Those will always appear, but now there's just more of them in the same space...