Elon Musk, the world's richest man, standing behind a podium bearing the Seal of the President of the United States, on Monday twice gave what scholars, journalists and rights groups said was a Hitlergruß,

Musk's response to the accusations has included the complaint that the "legacy media" is trying to cancel him.

The "Sieg Heil" heard 'round the world has made its way to Germany, where activists are using that infamous image to protest Tesla's Gigafactory.