After Musk hired a few experienced hands to lead his propulsion, structures, and avionics departments—Thompson, Mueller, and Koenigsmann—he mostly brought on recent college graduates. Most had no significant others pulling on their time, asking when they’d be home for dinner. They lived in apartments, not houses with lawns to mow. They had no children to look after. So they worked long, hard hours as Musk squeezed everything out of them that they had to give.
