I think, that more restrictions can not help.

Maybe there should be placed a big button on the top of this forum e.g. with the message:
<H4>"Why my question was not answered yet"</h4>

And this button should direct to some helpful suggestions, e.g. like this:

http://www.8052.com/forum/read.phtml?id=3743


Peter

P.S.:<H3>I will never answer on SMS style questions.</h3>If you want this, feel free to do so.
E.g. use "u" instead "you".