I have worked with people of this caliber. The company did nothing to retain them, and the company did not retain them.
Every time. Without fail.
Luckily for him it worked out very very nicely.
But it's pretty clear with the money printer switched off the real motivation was the propagation dollars fast and wide.
The rest of the world has rebuilt after Biden and Trump's and their parents generations bombed it to glass.
Those countries modernizing create an existential threat to the dollar as a reserve currency; fuck Americans! says a generation that grew up in a shit hole Americans left behind.
While polite publicly as expected a whole lot of the 8 billion outside the US do not give a shit the US exists and has power over them.