> If harming those who commit crimes is a good thing, why not do it more? Because proportion is a good thing, too - and is pivotal for the whole concept of jus

> If harming those who commit crimes is a good thing, why not do it more? Because proportion is a good thing, too - and is pivotal for the whole concept of justice. > And who gets to decide how much is enough? The same instance that decides what is and what is not a crime. Ultimately: society, in one way or another. "Implementation details" depend on the era and the civilization.