https://www.techspot.com/news/108045-lidar-great-cars-but-ca...
It would be a pity if someone made dense point clouds of these devices.
It would be a pity if someone created a little laser that aims an infrared beam at these cameras as you drive. The beam would be invisible to the human eye and quite hard for anyone to notice what's going on
One could start doing tours of their city to show tourists where each and every camera is. They're kinda small though, it might be worth a strong laser pointer so you can direct their attention to the cameras easily...