Yeah, it's pretty sad. I think what happened is he "crossed the chasm" so to speak and became mainstream. He was famous for his work, which is super interesting and so he was appreciated by a subset of nerds. In the last year or two he bacame famous for his personality, which turned out to be "generic right-wing edge lord". Thing is, there's very few people who can talk in depth about rocket design or actually bring their wild schemes to life and he's one of them. On the other hand, there's a whole spectrum of thousands of celebrity right wing edge lords to choose from if that's your thing and there's absolutely nothing interesting or unique about his take on this.