https://en.m.wikipedia.org/wiki/Peter_principle https://en.m.wikipedia.org/wiki/Peter_principle Laurence J. Peter: "In time, every post tends to be occupied by

https://en.m.wikipedia.org/wiki/Peter_principle https://en.m.wikipedia.org/wiki/Peter_principle Laurence J. Peter: "In time, every post tends to be occupied by an employee who is incompetent to carry out its duties" [the corollary:] "work is accomplished by those employees who have not yet reached their level of incompetence."