I’m very appreciative of this idea and align with a lot of things being said.
I did briefly check if we could support anonymous posting on ClojureVerse as I’m sure @plexus is also supportive of the general idea. I personally prefer some of the features Discourse provides (pinned posts, targeted watching of categories, rich text, etc.) but I think this will be great wherever it ends up. 
It seems to be possible to allow anonymous posts on ClojureVerse and there are some additional settings to mitigate the risks that go with that kind of thing:
