https://www.techdirt.com/articles/20210324/15363146488/content-moderation-case-study-huge-surge-users-one-server-prompts-intercession-discord-2021.shtml

Summary: A wild few days for the stock market resulted in some interesting moderation moves by a handful of communications/social media platforms.

A group of unassociated retail investors (i.e. day traders playing the stock market with the assistance of services like Robin Hood) gathering at the Wall Street Bets subreddit started a mini-revolution by refusing to believe Gamestop stock was worth as little as some hedge funds believed it was.