Tell a fish success is measured by climbing a tree, and he will spend his whole life thinking he’s a failure.
What skills, attitudes, personality traits have you seen mismatched to a certain job that later made the individual an awesome worker in another job?
Having a brain is wanted in most professions, however the military would preffer brainless suicidal muscle sacks.
Same with policing. Most police departments (in the US at least) basically don’t want folks above C-student level. There are tests required to be a cop and it’s possible to be rejected for doing too well on them.