The throwback drive-in, conceived years ago when the world's richest man was still a Los Angeles hometown hero, bows in a radically different era.

Elon Musk's Tesla-themed diner in Hollywood became the scene of an anti-Musk protest on Sunday. Protestors gathered outside the futuristic eatery with balloons resembling Musk that were animated to do Nazi salutes, in reference to a widely-criticized gesture that the tech billionaire made on President Donald Trump 's Inauguration Day.