Responsibility runs up and down the line. A defect, and how to avoid it, are everyone's problem. Honest measurement and constant improvement are the norm. They build morale and shared commitment to quality. Lectures, sensitivity sessions and cheerleading are baloney.
Satisfaction comes from being on a high-performing team.
Savvy police chiefs run their departments this way. Misconduct is viewed as a failure of the unit and of its supervisors. It better not happen again. Procedures and incentives are fixed to help ensure it doesn't. The goal is to keep doing better.