Because, like pregnancy, businesses can't scale with more people? It is well established that certain work scales almost linearly with more people. But it is a

Because, like pregnancy, businesses can't scale with more people? It is well established that certain work scales almost linearly with more people. But it is also well known that a lot of other types of work do not at all scale when you throw more people in. Usually it is intellectual tasks, like programming or turning a startup into a profitable business, that don't scale well. Try reading the mythical man month.