The Roman salute is conditionally allowed in Italy and outright banned in Germany. German chancellor Olaf Scholz responded to Musk's gesture by saying, "We have the freedom of speech in Europe and in Germany," he said, "what we do not accept is if this is supporting extreme right positions."

There is debate about what gesture the tech billionaire meant to make at the Capital arena on Monday. Here's what people are saying.

Elon Musk responds to the criticism over his one-armed gesture during Trump's inauguration which sparked controversy.