After expressing my thoughts on the clouds, I usually turn to police helicopters. Personally, I hate them.
I believe the police love them. Why? They are fun, it's cool to see stuff and have the feeling of power and control flying above others, and is a financial incentive to have them up in the air with "flight time" as opposed to sitting in a hanger.
I want ten thousand drone flights prior to a single police helicopter flight. Ten thousand drone flights primarily will save citizens a ton of money in policing costs. Being less "fun" and without the financial incentive of flight time they will have a disincentive for overuse. Privacy? Eh, who cares.
Lastly, and most critically, other than the full-throated love and expressions of need for police helicopters from members of law enforcement, there is no evidence at all that forces who freely use police helicopter show a reduction in crime. Zero.
Wildly fun, feels great, makes money, sure. Reduces crime, no.