Most of the high ranked users don't follow the board just because there are a lot of garbages, although, I personally don't prefer to ignore.
Another reason can be- people don't want to visit Help and Beginners because most of the question have been answered thousands of time and still newbies are making a thread instead of using the search option. You definitely get bored when you will answer a question couple of time for different users while those are available.

Newbies asked various questions on bounties but we can't say exactly bounty hunters low-value stuff. Low-value stuff are mostly come from signature bounty participants and no campaign counts post in that section.