The Nazi salute took things to another level, I wouldn't assume the owner is on board with that. I'd say he was just a typical billionaire CEO level of crazy when the cybertruck came out
Buying a CyberTruck is the equivalent of digging up John DeLorean, filling his corpse with bags of cocaine, strapping him to the front of a DeLorean that's been modified to shoot sparks into the gas tank when a moisture sensor is triggered, and then drive said cocaine death-trap into schools and other public services.
This might be a slight exaggeration, but it's pretty much literally exactly that.
Not everyone follows what Musk is up to date on the daily, at least they weren't before the election. I'm not going to call my neighbors Nazis just for owning the wrong car.
He was clearly a douchebag from the start. He didn't even try to hide it. He didn't even actually do anything but buy existing companies and pay smart people to make things with the wealth his parents accrued through basically slavery. He surrounded himself with enough yes men that he started to feel like a god which led to our current situation.
He was always a piece of shit. It's not retroactive.