> It worked to some extent on NNTP And arguably not, because a huge number of NNTP servers were in fact, moderated. Especially as spam and warez started to app

> It worked to some extent on NNTP And arguably not, because a huge number of NNTP servers were in fact, moderated. Especially as spam and warez started to appear on servers owned by public institutions (universities and the like), a huge chunk of USENET split into the alt.* unmoderated groups, and the other, centrally moderated groups.