“Steve just had to get the conception and software right, but the manufacturing was outsourced,” Ellison says. “Elon took on the manufacturing, the materials, the huge factories.” Jobs loved to walk through Apple’s design studio on a daily basis, but he never visited his factories in China. Musk, in contrast, spent more time walking assembly lines than he did walking around the design studio. “The brain strain of designing the car is tiny compared to the brain strain of designing the factory,” he says.
