I find the Lobsters opinion bubble to be much narrower than HN.
HN these days definitely has its share of meme bubble opinions (like reading the comments on any social media thread), but Lobsters is narrow enough that I can often predict all the comments to a post just based on reading its contents myself. This makes the site pretty boring because if it's so easily to mentally simulate the responses, I may as well just ignore the comments. Tech link aggregators usually source links from all the same places (Mastodon, Bluesky, Twitter, RSS feeds) that I already do so Lobsters' value on top is minimal.
HN these days definitely has its share of meme bubble opinions (like reading the comments on any social media thread), but Lobsters is narrow enough that I can often predict all the comments to a post just based on reading its contents myself. This makes the site pretty boring because if it's so easily to mentally simulate the responses, I may as well just ignore the comments. Tech link aggregators usually source links from all the same places (Mastodon, Bluesky, Twitter, RSS feeds) that I already do so Lobsters' value on top is minimal.