Most Reddit is just Twitter screenshots. There are few from BlueSky now but that is pretty recent.

But there is also lot of OC rage-bait.

Because Twitter (or letter 24) generates the rediculous hot takes that Reddit can laugh at.

AI generated slop, of course

Sounds like we have our answer. Have China flood the internet with "content". American scrapers train on it. Now we can ban LLM use on American websites, compromised by China!