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Lots of people seem to not care about privacy anymore. "If you have nothing to hide, you have nothing to fear"

That's absolutely true. Regarding your post about being mugged, my country could do with these drones.

We seem to accept all the CCTV cameras, so is this worse? If my child was lost I'd want the police to have tools like this

I didn't think that far. CCTV would be more flexible in such a case. As long as the equipment does not suddenly "malfunction", the tech would definitely find missing children and combat all other types of crime.