One gets a good rating for fighting a fire. The result is visible; can be quantified. If you do it right the first time, you are invisible. You satisfied the requirements. That is your job. Mess it up, and correct it later, you become a hero.
A company could put a top man at every position and be swallowed by a competitor with people only half as good, but who are working together.
Every system is perfectly designed to get the results it gets.
Management of a system requires knowledge of the interrelationships between all of the components within the system and of everybody that works in it.