> I think the fundamental problem is spammers. It's hard to kick off misbehaving users from usenet. I know that usenet has the concept of moderated groups. I

> I think the fundamental problem is spammers. It's hard to kick off misbehaving users from usenet. I know that usenet has the concept of moderated groups. I don't know whether managing one would be more time consuming compared to an email list. Based on what I see in the git mailing list (via gmane), there is a significant amount of spam that makes it through, but most people have set their filters to handle that.