One post wonders are annoying, perhaps an x-amount of replies should be required prior to ability to generate a new thread...
Viewing a members past history gives insight... see a lot of troll posts, no need to respond, see intelligent remarks, interact with...
It would motivate serious individuals to respond to people who demonstrated the effort to help themselves and locate the information they seek in existing threads, rather than just posting a lazy "feed me/give me question".
It gets tiring providing clear concise replies to individuals who demonstrate their inability to help themselves. Not to mention responding to people and never to hear from them again, hence many of us stopped replying to the one post wonders...
One post wonders are equally annoying as the verbose Trolls which haunt this forum...