Musk didn't just wave his hand. He brought his right hand to his chest then immediately extended his right arm straight with his palm facing downward.

Here's a side-by-side comparison for context. This is an intentional multi-step gesture. It is not an accidental movement with a faint resemblance.

Elon Musk gave two back to back Nazi salutes at the Trump inauguration parade

It’s notable that the double Nazi salute is not only clear, it’s also perfectly in line with Elon Musk and Trump’s ideology of white genocide, great replacement theory, and the cult of reproduction.

And Nazis are very much feeling empowered to be visible today.