I agree with your logic most of the way.
At the same time I do want to draw attention to the fact this is a law enforcement enterprise. A person does need to have a solid lengthy background in the law enforcement process > IMO.
They need to know what is/should and is not/should not be accepted from their agents.
Agree completely. A sensible leader is a sensible leader. He or she doesn’t need to know everything or anything, for that matter, about what kind of guns they want or criminal procedure. They just have to see the broader picture and guide the organization in the right direction and identify leaders within the organization that can advise on the little things.