Prisons are exactly what the society that has them wants them to be, no more no less. If Iceland wants them to be correctional facilities, and provides the res

Prisons are exactly what the society that has them wants them to be, no more no less. If Iceland wants them to be correctional facilities, and provides the resources skills and programs required to train inmates to function in a modern civil society, then that's what they are. If your society does not emphasise that function for prisons, this is a choice that your society has made, not some reflection of a universal truth. Even if, as in most societies there is some ambivalence about the functions of prisons, surely Iceland has the right to set its own priorities.