Reddit is issuing firmly-worded letters against researchers who exposed their users as gullible morons.

https://www.404media.co/reddit-issuing-formal-legal-demands-against-researchers-who-conducted-secret-ai-experiment-on-users/

The researchers at the University of Zurich used an AI chatbot to argue with Reddit users, and succeeded at winning the arguments more often than nominal humans. Cool, I dare them to try poast.