if a person is not held responsible for the actions they carry out, what can the underlying logic be but a rejection of free will? things will get truly interes

if a person is not held responsible for the actions they carry out, what can the underlying logic be but a rejection of free will? things will get truly interesting this century as we get better at projecting probabilities based on genetics and personal data; if a man is less culpable because of predispositions, why should we even let him out? this is a fundamental tension in our justice system.