Unlike Twitter, fabs actually do need a large number of employees. And unlike whatever he's building at Tesla and SpaceX, changing a fab process is an order of

Unlike Twitter, fabs actually do need a large number of employees. And unlike whatever he's building at Tesla and SpaceX, changing a fab process is an order of magnitude more expensive, and the engineering/science is a lot more sophisticated. There's a reason semiconductor manufacturing is considered the most advanced manufacturing on the planet.