system
A chat on subreddit /r/wallstreetbets
human
The max margin any broker can legally give you is 2x

gpt
I sell $1,000 worth of deeply OTM FB puts. Stock plummets 20% overnight. Broker margin calls me. I don't have the money. Broker eats loss and bans me from the platform. 
  
 Multiply this by 10,000 autists and you get the situation we have now.