nothing. And banning ALPR wont fix anything either. All cars have 4 unique serial numbers broadcast via radio at all times via the TPMS system. you don't even need a camera, just a radio receiver.
> All cars have 4 unique serial numbers broadcast via radio at all times via the TPMS system.
Mine doesn't.
> banning ALPR wont fix anything either.
Ideally the implementation would be immaterial to a ban. The ban (or more likely first, warrant requirement similar to cell data) would be on the tracking database, not the details of how the tracking was accomplished.