I don't think it specifically knows, though it could be possible. Maybe there was an article published about the dev team at some point that named some or all o

I don't think it specifically knows, though it could be possible. Maybe there was an article published about the dev team at some point that named some or all of the members. Maybe they have published research or speeches on the topic that names their role/employer. Either way, the general demographics of people working at Meta is generally known, so I'd assume that was what the LLM was working off of.