Maybe it's that if people can do the job you want to keep them doing it. If they can't you move them, and often moving people up is the easiest thing to do. ht

Maybe it's that if people can do the job you want to keep them doing it. If they can't you move them, and often moving people up is the easiest thing to do. https://en.wikipedia.org/wiki/Peter_principle https://en.wikipedia.org/wiki/Peter_principle