He's done "I give my heart to you" on video, too, and it looks nothing like the nazi salute that he clearly did at the inauguration, twice, in celebration of the victory of far-right populist politics in the USA.

The rhetorical parallels between Musk, his affiliates, and the nazis should be clear to anyone with remedial knowledge of history, let alone someone who calls themselves a wonk: scapegoating racial outgroups isn't a subtle strategy and Musk's pursuit of the strategy is not subtle.

WW2 is the end of nazi politics, not the beginning. In the unlikely case that you missed the parallels in good faith, I recommend the Richard Evans books to learn about the beginning and middle of the nazi movement.

That's because he was in a manic moment, and all his emotions and physical movements were exaggerated... This wasn't a calm investor presentation.