This unwritten distinction exists only to allow targeted enforcement in service of harassment and oppression. There is no upside (even if getting away with speeding feels good). We should strive to enforce all laws 100% of the time as that is the only fair option.

If a law being enforced 100% of the time causes problems then rethink the law (i.e. raise the speed limit, or design the road slower).

Actually it does harm people. High speed traffic is noisy and unpleasant, flows unpredictably, and tears up roads faster.

I think I would expect certain laws that are currently considered statutory / strict-liability laws, to be shifted to instead constitute only "evidence of negligence" and/or act as "aggravating conditions."

So, in the case of speeding:

- Speeding on its own would only automatically "warrant" the police to stop you / interview you / tell you off, and perhaps to follow you around for a while after they pull you over, to ensure you don't start speeding again (and to immediately pull you over again if you do.) I say "warrant" here because this doesn't actually give them any powers that private citizens don't have; rather, it protects them from you suing them for harassment for what they're doing. (Just like a "search warrant" doesn't give the police any additional powers per se, but rather protects them from civil and criminal damages associated with them breaking-and-entering into the specified location, destroying any property therein, etc.)

- But speeding while in the process of committing some other "actual" crime, or speeding that contributes to some other crime being committed, may be an aggravating factor that multiplies the penalty associated with the other act, or changes the nominal charge for the other act.

We might also then see a tweak for "threshold aggravations", such that e.g.

- Speeding while also doing some other dumb thing — having your brake-lights broken, say — may be considered to "cross a threshold" where they add up to an arrest+charge, even though none of the individual violations has a penalty when considered independently.

This would, AFAICT, translate well into a regime where there are little traffic-cop drones everywhere, maximizing speeding enforcement. If speeding is all they notice someone doing, they'd just be catch-and-release-ing people: pulling them over, squawking at them, and flying away. Literal slap-on-the-wrist tactics. Which is actually usefully deterrent on its own, if there are enough of these drones, and they just keep doing it, over and over again, to violators. (Do note that people can't just "not pull over" because they know there are no penalties involved; they would still be considered police, and "not complying with a police stop" would, as always, be a real crime with real penalties; if you run from the drone, it would summon actual cars to chase you!)

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Oddly, I think if you follow this legal paradigm to its natural conclusion, it could lead to a world where it could even be legal to e.g. drive your car home from the bar while intoxicated... as long as you're driving at 2mph, with your hazards on, and avoiding highways. But miss any of those factors, and it "co-aggravates" with a "driving recklessly for your reaction speed" charge, into an actual crime.

Not really? If you're caught with burglary tools on private property that's still illegal even if you only took one step.

Likewise if act in a way that makes someone feel that you're going to hit them that's assault regardless of whether you actually ever touch them.

etc. Many such cases.