I think there's a part II to that piece of advice. The full version would be: Have a clearly defined leader that is not an idiot. Having a clearly defined lea

I think there's a part II to that piece of advice. The full version would be: Have a clearly defined leader that is not an idiot. Having a clearly defined leader that is an idiot has the opposite effect. The order of excellence in companies goes: brilliant leader, well managed group, idiot-narcissist in charge (in decreasing order of successfulness).