That's the last thing big tech companies want. Maybe Meta being the odd exception with Llama.
Getting free labour, lipstick of "freedom", and enable to put millions invested in what open source never can do: Scaling, infra, win big contracts, etc.
Open Source NEVER win the market game.
It only give consolation to few that can run things locally.
2) That still equates to "Meta is not in the AI game any more" in meta-corporate speak