Only mediocrities rise to the top in a system that won't tolerate wave making.
It usually takes two people to make one of them angry.
An economist is an expert who will know tomorrow why the things he predicted yesterday didn't happen today.
The unexpected always happens.
In a hierarchy, every employee tends to rise to his level of incompetence.
There is no stigma attached to recognizing a bad decision in time to install a better one.