Elon, and any other obscenely rich and powerful person for that matter, is just as flawed as any of us. They are not immune to dogma, disinformation and self-delusions. In fact, it may be the case that they are more vulnerable because power and wealth go to your head and you can use them to manifest your delusions, making them seem even more real.
Also, he’s a jackass.
The uncle has a confederate flag, indicating that he subscribes to racist ideas.
What don’t you understand?