Continued engagement seems appropriate until such time as prejudice becomes all apparent. I think Musk carries inherent contempt for all minorities which is likely a learned behavior from growing up in apartheid South Africa. However, this is compounded by his arrogance resulting from his success. All in all, a potential dangerous combination.
Demonizing Soros is the intellectually laziest and most primitive form of antisemitism, but it is also a vicious attack. Even from somebody who may or may not be richer than Soros.