Counter-proposal: All law enforcement measures and punishments must be assessed and approved by an independent board of psychologists.

We're not talking about fraud, tax evasion, or burglary where people sit down and plan a crime, making a cost-benefit analysis, and saying "you know what, good idea, but the cross product of likelihood that we get caught and penalty if we do is too high, I'm gonna sit this one out".

How about you take the extra 180K per person that you're proposing we flush down the prison system, and direct it into better mental health services, and improved welfare systems, which will actually reduce the instances of such spur-of-the-moment crimes.