If a non subscriber, or a subscriber for that matter, posts on the forums in the generally acceptable manner....
then it serves onlt to contrbute to the particular forum.
be it about chess.
be it about site ideas
be it about spirituality
etc....
any suggestions to try impose restrictions on the communication on this site, as sugested with this thread....
would just be missing the point of what the forums are tryig to achieve.
It would be interesting to get to the root of your desire to implement such a policy... what your true motivation?
If you are just tossing ideas around, then maybe you were just making a harmless random suggestion, so thats fine.
If not, I would suggest you analyse your try intention here, is it aimed at serving yourself in some way, or....