There are a bunch of reason. Different people rank them differently. Deterrence, Removal from society. Justice. Rehabilitation is a tricky one. It's hard. But

There are a bunch of reason. Different people rank them differently. Deterrence, Removal from society. Justice. Rehabilitation is a tricky one. It's hard. But in any case, I think there's absolutely no to torpedo rehabilitation in the way that we often do in prisons.