I think that the situation about the imported OB posts & comments should be somehow made clear to new readers. Several things there (no embedded replies, little karma spent, plenty of inactive users, different discusion tone) could be a source of confusion.
Oh! Maybe they were looking at the posts that were transplanted from Overcoming Bias and thinking those were representative of Less Wrong as a whole.
I think that the situation about the imported OB posts & comments should be somehow made clear to new readers. Several things there (no embedded replies, little karma spent, plenty of inactive users, different discusion tone) could be a source of confusion.