> What exactly is wrong or dystopian here?
Correct me if I'm wrong, but you are probably under the impression that this won't catch you doing something illegal? You might be surprised how extensive the laws are (and we add to them all the time), and many driving behaviors that you think are harmless are in fact technically illegal.
If, for example, we start sending people tickets every time they fail to stop before the stop line on the road, or don't come to a complete stop, we're going to need to install much larger mailboxes. Or people who speed 1 mph over the limit for 1 second. Or stay in the left lane a little too long while someone is waiting to pass. The possibilities are endless.