"Musk is CEO -- the buck stops with him. As a CEO in a competitive environment, he's the one who has to have the vision and lead the troops," David Meier, a senior investment analyst at The Motley Fool, told ABC News. "But there's a lot going on in the world that impacts Tesla's business."

On X, users praised the food and the ambience at the diner, with one praising the diner's burger, giving it a 9/10, as well as Tesla's "Epic Bacon" appetizer, calling it a "must try". He did, however, note that the free popcorn was "legitimately terrible" due to a lack of salt or butter.

Nelson downgraded the company’s stock to a neutral rating in April. But even some of the Tesla bulls on Wall Street are saying that the time for Musk to take action is running out.