bots
Word is that WSB on Reddit went private so that they could deal with a million (hey, that's what's being reported) bots spamming them with bogus trade recommendations.
Apparently the SEC are also investigating them. Hopefully they'll also be investigating the brokers that stopped allowing stock purchases but only for specific stocks, let alone forced stock sales.
Don't mess with the SEC. Seriously, you're better off bunkering up and telling the FBI you're manufacturing meths than going up against the SEC.