Donner likes what he does and enjoys being on a set. He doesn't have to do it, its not like he has to make the rent. When I get to be his age and still enjoy what I'm doing like him, I'd be lucky.
The Jewish background is not that far from the black groove. Blacks are downtrodden, Jews are downtrodden, therefore they have something in common in that affliction. Being downtrodden often makes one more empathetic and sympathetic.