A highly agreeable housing inspector isn't going to be better at their job than a disagreeable housing inspector. I want my housing inspector to be harsh, unforgiving, and not grant the benefit of the doubt.

A highly extroverted person isn't going to make for a better overnight custodial worker than someone who prefers a more solitary lifestyle.

An actor who can tap into the emotional currents of high neuroticism in their work can offer a more sincere and authentic performance than an emotionally flat one.

Low conscientiousness correlates with risk taking and can be an asset in roles where over-planning to the detriment of acting can be costly - think firefighters.