In the U.S. the FCC was overruled over bans on commercial use of these so that's another barrier lifted. As an added bonus, it also prevents immediate discovery of the pilot and thereby avert suppression to some degree.
"How does it make you feel when you see a cop behind you?" said Tye. "If they're going to do it, maybe they should get a taste of their own medicine."
Maybe having cops around endangers peoples safety--when driving, for example, slowing down and causing accidents.
Cops carry guns and shoot racial minorities-- do we condone this for everyone? Would allowing minorities to shoot cops for arbitrary reasons solve the problem?
If you're going to protest something, abandoning the moral high ground is a bad idea. I'm not saying don't be humble, I'm saying don't lose sight of what you want to accomplish.
Now if only we could get people to follow around our Senators and Congress men and catalog everything they are doing that would be great.