All things aside, its a different approach to punishment. In most western countries the imprisonment and the lack of freedom are the punishment itself. And other countries the lack of freedom is just part of the punishment.

My grandpa lost control of his bladder as his age progressed. For the first few years he was ashamed every time he peed himself in public, but after 10 years with that, he didnt even bat an eye when he started urinating in the middle of dinner. Finished the story he was telling, got up, went to the toilet and changed his diapers. Would have helped me alot if he had also closed the toilet door...

Edit: typos.