I've had as a comment to a comment, but I'll repost it at the top level:

They use "open source" to whitewash their image.

Now ask yourself a question: where does Meta's data come from? Perhaps from their users' data? And they opted everyone in by default. And made the opt-out process as cumbersome as possible: https://threadreaderapp.com/thread/1794863603964891567.html And now complain that the EU is preventing them from "collecting rich cultural context" or something https://x.com/nickclegg/status/1834594456689066225