That's a crazy sale price, I'd like to see you turn it down.
It can be true that he didn't want to sell and regrets it and just couldn't reject that offer, the opportunity costs available to you at the level are nuts. This is a risk with centralized services, it's why we need systems that don't require benevolence: https://zalberico.com/essay/2020/07/14/the-serfs-of-facebook...
Most people don't have principles valued at 19B.
I think Urbit is a potential way to get there, but a lot of the web3 ownership model points in this direction.