It appears that Google is letting Reddit’s AI translated pages rank too well within its search results. This is in addition to Google letting Reddit get a lot of other search visibility, but AI translation, well, that should really not perform so well.
Reddit sold Google the rights to train AI models using their (our?) data a year ago. Any trained model will recognize the data it was trained on and rank it highly.
https://finance.yahoo.com/news/exclusive-reddit-ai-content-licensing-041012378.html