Elon Musk apparently got so angry that an assembly line at Tesla’s electric car factory in California stopped moving when he got close to it that he head-butted a car in frustration. The Wall Street Journal reported that Musk was on a tour at the factory when the assembly line automatically stopped moving — a standard safety precaution. “I want the cars to just keep moving. I don't see how this could hurt me,” he apparently said.

It was then that he apparently started head-butting a car and it has been reported that when an engineer told him that it was a safety measure, Musk told him to “get out”. Tesla responded to the reports, disputing the head-butting claims, but admitted that he “tapped” his head against the car. Oh, and he was wearing a safety hat, they pointed out. Tesla has come under increased scrutiny after it missed production goals of its Model 3 car in August. The controversial billionaire recently backtracked on claiming to take Tesla private and despite his ins...