In a hierarchy every employee tends to rise to his level of incompetence.
ATTRIBUTION:
Laurence J. Peter (19191990), U.S. Canadian author. The Peter Principle, ch. 1 (1969).
The so-called Peter Principle; compare with the Paula Principle: women stay below their level of competence, because they hold back from promotion. (Liz Filkin, quoted in Observer (London, Oct. 19, 1986)).