Historians disagree over the significance of Musk’s gesture, which is reminiscent of the greeting used by 20th century fascists and their modern-day supporters. View on euronews

Elon Musk has seemingly done the unthinkable and shown his knowledge of Nazi history is far deeper than the ADL would like the public to believe.

Some across the political spectrum said the gesture looked like a "Heil Hitler" salute. The ADL said it was not.