At which point they'll be disabled and not be capable of making it outside of an institutional environment. As such, they will be costing society much more money for a much, much longer time. What you're talking about is torture, ripping someone's mind apart for your sick, demented sense of justice.

> I vote if he commits any crime, he be sent to solitary confinement till he's on the edge of insanity.

Would you be willing to be a test case? If you live in the US, you've probably committed several felonies already[1].

[1] http://www.threefeloniesaday.com/Youtoo/tabid/86/Default.asp...