Being founder / CEO of one industry disruptive company would be fine. Risky proposition under anyone's helm, yes, but Musk is a great salesman so he would stand

Being founder / CEO of one industry disruptive company would be fine. Risky proposition under anyone's helm, yes, but Musk is a great salesman so he would stand a better chance than most of probably pulling it off. But no fewer than FOUR (Tesla, SpaceX, Boring Co, SolarCity (technically under Tesla's umbrella but for all intents and purposes its own business)), it starts to strain credulity.