Speeding is a crime since it is illegal by law. That the money goes to municipalities is a problem of the US system, it should go to the state/government.

The problem really isn't that you haven't caused damage, rather that you ignored the legal safety limits of the road just to get home a bit earlier while completely ignoring or dismissing that in case of bad luck you could have caused immense damage. Reckless behavior like that, where innocent third parties can be immensely hurt or killed, should be punished.

In Germany, we have strict laws all about this. If you endanger the traffic or any of the (potential) participants of the traffic, you get fined. It doesn't matter if you say "but officer the road was completely empty", the driver is rarely omnipresent to know everything happening on the next kilometer of road.

Accidents aren't predictable but preventable.