Yes I see many posts in the "I'm looking for..." thread, some constantly repeated. I never bother to post though, usually people say my suggestions before I get a chance
I wonder if some of those people have seen the search filter here. I think it's amazing personally. I've managed to find loads of mangas through that
As for those who make accounts and post once or twice, well, you're gonna get that in every forum you visit. I dunno, maybe they use the site everyday but just don't post, only posting when they feel it necessary. I did that. I joined up, but never posted. Then I decided to throw in my point of view and got hooked
But yeah, i'm not too fussed about them. You can see the main people who post around here a mile out. Let them join and make 2 posts. Don't bother me in anyway.