As someone who works with autistic individuals, I have never seen any of them break into a NAZI salute or anthing like that. Awkward movments, maybe. NAZI salutes, never.

Your assertion that Musk is not a NAZI supporter because he didn't mean to do a salute lacks evidence because it fails to negate the possibility that whether he did the gesture or not, he could be a NAZI supporter. I don't want to make any assumptions, but the logic here is not conclusive.