You should stop. Just stop. Clearly you don't know anything about the topic at hand and you are making a fool of yourself.
Reforming them s always better. Even if they don't get out of prison, having them be a calm member is safer and healthier.
There are people in for life that have nothing to do with safety.
Why you think being in for life means they'll do anything for kicks is baffling. Maybe you're the type of person who attacks people for kicks?
What you are talking about is a tiny percentage of those currently being held in solitary.
If someone is always attacking people, they have mental issues and should be treated as such.
"In fact, often the threat of solitary is the ONLY thing that keeps some prisoners from doing this."
Fact? what fact? you're ass?