I know populism is a thing but speed limits aren’t formally set for people’s preference but for safety and environmental reasons. “Most” people choosing to break the law doesn’t change that, and adjusting the law becomes a populist thing.
Accidents on the highway do not happen because people don’t agree on the speed to drive at, more than they happen because “cars exist”. They happen because drivers drive faster than their capacity to avoid danger. This capacity differs from hour to hour and day to day. Agreeing on a speed doesn’t make one less drunk or sleepy or unskilled, and so on. More accidents happen on the day after summer time switch when drivers have less sleep and it’s not like everyone just changes opinions.
You’re missing the elephant in the room. Not everyone is equally capable of buying laws or fighting the enforcement of those laws. When Musk’s datacenter was photographed polluting more than declared it wasn’t an instant fine, it’s a lawsuit that the taxpayer pays for (implicit fine on the taxpayer). He can afford it, but how much of this can taxpayers take? These are the people who can buy a law to make your life harder if you try to catch them red handed with something. They’re the ones who can see that you get fined when you say something that’s false or just inconvenient or not yet decided by a judge (like that most accidents caused by disagreement on speed, or that Musk’s DC pollutes more than declared) while they can afford to keep doing it themselves because for them everything becomes a lawsuit they can drag on forever, can afford, and costs you money too.
Making free money sounds awesome. But coming from a country which in the past “democratized” and incentivized reporting “bad” behavior, no matter how much you think this time it’s a worthy cause, it just opens the door up to abuse against the weaker members of society, and almost everyone becomes weaker as a result. You don’t see where this goes because you’ve never seen it with your eyes and don’t trust reading a book.