Oh this is easy.
> Brutalizing a man with harsh conditions, treating him like a wild animal for months/years on end, and then releasing him is just going to make him 5x more angry and dangerous upon release and less likely to assimilate, but now here he comes walking down the same street as you and your loved ones
"Maybe he should have made better choices" they say, as they smugly reference an eye for an eye in their text sent from God.
I think more realistically, they'll argue if the prison didn't succeed in rehabilitating them, they obviously just need a longer sentence.