> And it doesn't work there, so why would it work for impaired driving?

It does actually. See how thieves resident in Florida travel to New York to work because of the different enforcement regimes for one of the clearest possible examples[1].

Even if deterrence didn’t work at all putting people in prison is good because of incapacitation. Committing crimes is stupidly right tailed[2]. Every career criminal in jail for a year is a year society doesn’t suffer their crimes.

[1] https://www.realclearpolitics.com/video/2024/02/02/cnns_john...

[2] https://sk.sagepub.com/ency/edvol/the-sage-encyclopedia-of-e...