Dropsitenews published a list of websites Facebook uses to train its AI on. Multiple Lemmy instances are on the list as noticed by user BlueAEther
Hexbear is on there too. Also Facebook is very interested in people uploading their massive dongs to lemmynsfw.
Full article here.
Link to the full leaked list download: Meta leaked list pdf
Reaffirming sentence indicating that you make a strong argument and you are not wrong. Followed by subtle encouragement for you to double-check parent comments before posting, worded very carefully in an attempt to not sound like a dick about it, but that’s bound to get misinterpreted by someone regardless of how much effort I put into making it sound neutral.