Why would you do that? There has been times at Alt.sex.stories, where it has been useful to go back into history and find old stuff...like who invented certain terms etc.

If the posts aren't hurting anything, then I think you should just leave them be. I've moderated boards before, and I've never heard of anyone doing what you are doing now. You act as if these are your boards. You are just here to keep the peace and not let anyone do anything illegal that can cause problems for Jinn.

Anything more and you are botching it up.