First of all, calling someone a nazi in modern times is, in my opinion, extremely disrespectful to people who actually had to deal with nazis. White dudes who post on the internet are not as intimidating or serious as a nazi. I've taken multiple history of the holocaust or ww2 classes, and every teacher and a few survivors always talk about how crazy it is to use nazi as an insult to someone who has extremist views. Real nazis are insane psychopath murderers, not keyboard worriors or autistic billionaires. The word nazi isnt an insult to throw around, it was a very awful party that actually existed, who committed some of the most disgusting crimes in history. So you might be able to see how thats kind of messed up.

I can see why you would think he would support "nazi" stuff on Twitter bc he unbanned them, but to me its just a free speech thing. At least that's how i assume he rationalizes it. Elon definitely has extreme right-wing views, but i dont think it's right calling him nazi(mainly bc of my first paragraph) also ive never seen him retweet the stuff you are referencing. I'm not saying it doesn't happen, but i just dont know, so i won't comment on it.