Very brave man, good for you.
It's not complicated or some gotcha. I'm fine with police cameras that whose access is strictly controlled, monitored and used to fight crime, rather than some creep taking pictures of me and doing God knows what with it.
Police do have privileges that ordinary citizens do not. That’s understood, and part of the reason they should be held to a higher standard of conduct than ordinary citizens.
Using their emergency lights and ignoring traffic rules in order to get to a real emergency is one of those privileges.
Widespread, automated mass surveillance is not one of those privileges.
So it appears we agree.
After all, they are doing the same thing: recording license plates in public view.
A related but different question is if police use of a private dragnet violates the fourth amendment. I believe that it does.