I’ve used it at Meta. It’s very bad, if they released it in its current state it would be laughed at. I imagine they need to improve quality massively before it’s viable to release.
He has Meta SWEs making $250k+/year labeling data in AAI. He has exactly one move and it's this: https://i.imgflip.com/atotpp.jpg
I’m not sure the incentives are really aligned when you’re pouring that much cash and liquid RSUs at someone on normal vesting schedules. News stories of some of the acquisitions state that there are engineers in Meta’s AI organisation clearing 8 figures of compensation. If you didn’t think the strategy was successful, it’s rational (if not very principled) to continue to make excuses as to why until the gravy train stops and then use that to fund your retirement and the things you’d want to do instead.