Trying to trick licence plate reader cameras is not realistic. A widespread network of cameras can easily detect anomalies like a plate that doesn't match the car type, or the same plate existing in two places. It might make you feel good to think there is some anarchist solution out of this, but it isn't going to work.

The tech is incredibly powerful and there isn't really anything you can do as an individual to avoid it. You better hope the people who run it have improving society in their best interests.

Uruguay I've heard. Costa Rica possibly.