He's likely a fan of eugenics as well. With the Trump wave here why not bring back some more Nazi culture. It's not surprising that the Trumps originated from that scene and Musk is from South Africa. The apple doesn't fall far from the tree in some cases.
Has he committed racist acts? Right now, what you have provided indicates that he is possibly a racialist, not a racist.
A racist acts on his beliefs. A racialist is someone that harbors some prejudice whether known or unknown to them. They are very very few racists in this country anymore.
There are many human traits besides intelligence, and blacks are statistically superior in some of them, such as athletics. Thus no race is inherently superior overall. There is no doubt that Asians, whites and Hispanics are statistically superior to blacks in intelligence, though. The NYT and other liberal publications admit this. The debate is whether the difference will decline or disappear over time. Blacks are a problem race because they are only 13% of the population yet commit 50% of all violent crimes.
According to Merriam-Webster dictionary. Having, reflecting, or fostering the belief that race is a fundamental determinant of human traits and capacities and that racial differences produce an inherent superiority of a particular race
A racialist who does not act on their beliefs poses little or no threat. There are numerous racialists in The US. These racialists are not just white folks. There are however, very very few racists in The US.