[andybak]

It also highlights how valuable communities that do have good moderation can be. HN being the major example. I would probably include some (emphasis on the "some") subreddits.

Anywhere else?

[pjc50]

Metafilter is one of the long-term survivors; it has been running since 1999: https://www.metafilter.com/19/CatScancom