Elon Musk caused a significant stir on social media after making a gesture twice during his speech at a rally at the Capital One Arena, which some perceived as resembling a Roman salute. Discussions using terms like "fascist" and "Nazi" emerged,

Claire Aubin, a historian specialising in Nazism in the United States, suggested that Musk's gesture was a 'sieg heil,' or Nazi salute.

Tech billionaire caused controversy with a gesture that appeared similar to a Nazi salute – but not everyone saw it that way.