However, the researchers found that these tire sensors also send a unique ID number in clear, unencrypted wireless signals, meaning that anyone nearby with a simple radio receiver can capture the signal, and recognize the same car again later

Its not quite the same ball game. Sure its not great that the government can track easily with ALPRs, but this type of tracking is available to nearly anyone and could be used for significant crimes like stalking or human trafficking. It can also be done without a sightline of the car, unlike a camera system.