They purged many of the Sanders people who went off to form their own forum: Jackpine Radicals (also greatly entertaining) and they use their jury system to squelch any criticism of Democratic party leadership by charging the posters of violating prohibitions against "right wing talking points" and/or "bashing Democratic public figures."
In other words, "Get on board with the Wall Street establishment candidate so that we can defeat TrumpHitler."
Here's a great example of the chaos: Democrats Plan to Name Lobbyists, Operatives as Superdelegates
Thanks for that, it was exactly what I expected - all teeth and blood. A feeding frenzy.