Long Story short, a guild on Classic mass reported someone while they were trying to do Scarab Lord which resulted in an automatic suspension.
Since then all players who falsely reported have received a 6 month - Permanent Ban for abusing the report function.
I don’t see anything about it on WoWhead (well, not yet as of 7:04 ET), and MMO-champ only has something about Blizzard threatening account actions for using same faction PC’s to empower bosses that gain health/damage from player deaths.
Gm of the guild posted on the Classic WoW Sulfuras Discord
https:/ /i.redd.it/ro88xaurome51.jpg
Length of bans was leaked by one of the people who got banned
Have a look at their update at WoWhead. The suspension wasn’t at all automated. Unfortunately, a bunch of players put in actual tickets and a GM (a real person) suspended the account in error. Those who put in the false reports instead were actioned and the wrongfully suspended player was sorted out.
Here’s the blue reply on it (follow the link to see it’s blue not green ):