From what I see, I think there are enough restrictions on the members only and mature adults groups. The other groups are open enough to allow for lurkers to see what the website/forum is about before jumping in. I think I spent a good week looking at the forums before registering myself.
As far as persons who register but do not post, I do not think that is a problem either. The registering part is website wide and not simply for the forums. Many people may join for other reasons than to post in the forums.
Finally, for those worried about privacy/peepers looking for freak shows, if someone wants to look, they will find a way. By adding more restrictions, we will encourage those that want to look at the forums simply for a laugh to be less honest with themselves. Besides, once the novelty wears off, they will move on anyways.
Just my $0.02US worth.
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Louis J Bouchard
Rochester Minnesota
"Only when all those who surround you are different, do you truly belong."
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Fred Tate Little Man Tate