[danarmak]

> I think it's emcumbent on approach 2 to try and understand why people act like approach 1.

For many (most?) people, it's just a matter of values. Punishment of evildoers, justice, revenge, enforcement of the law, are not judged on the merits of preventing future offences, they're desirable in their own right.

These values are widespread and are part of the 'natural' or 'default' repertoire of human social behavior. Different cultures encourage them to different extents, and channel them differently, and of course differ a lot on what is offensive and deserving of punishment and how much. But I don't think it's difficult to understand why people desire these things.

Even if everyone agrees that rehabilitative justice is better for reducing crime, it's a separate moral decision to value reducing crime over other things like justice (fairness) or punishment (negative consequences for infringing on rights).