I feel like search and rescue after an earthquake where a drone swarm can canvas and categorize if it saw movement or not is one possible "non-bad" use.
Fire departments and police in Germany are deploying more and more drone units, too.
Firefighters use them to search for missing persons but also to get aerial images and a better overview of larger scenes as "running around" is often not possible or doesn't help that much with the overview.
Police is using them to take pictures of accidents. It's easier to see tire marks and the whole "history" of an accident from above. Really reduces their time on a scenery to take pictures of everything.