I will never get why anybody wants to work for FAGMAN. It's depressing how many talents put money above integrity.
You don't need to live in the bay area, most civilized places on earth let you live a comfortable life with a 10th of the salary, plus you are not selling your soul.
We are doing interesting R&D in other fields too, in places you would never believe.
For people like him who probably already have enough money it’s probably just chasing the opportunity to work at the bedding edge of the field he loves. And maybe get to be the father of AGI.