Asked to answer in one word the ideology it would most closely relate to Musk's onstage gesture, Grok didn't hesitate.

Musk then slapped his chest with his right hand, before flinging it diagonally upwards, palm face down. He turned around to audience members behind the podium, and repeated the gesture. “My heart goes out to you,

A gesture associated with the Nazis has a surprising history. But in Germany, there was little doubt about its meaning.