> some players start to spam the mailing list/newsgroup/discussion board for their own benefit, this destroys the commons as more spammers join in. Eventually y

> some players start to spam the mailing list/newsgroup/discussion board for their own benefit, this destroys the commons as more spammers join in. Eventually you need moderators and centralisation, Mail and news clients have sophisticated filtering abilities that could deal with that issue. I've always wondered why people in general are more than willing to rely in a central party to vet the content they get to see rather than handling it for themselves.