[Dean shrugs; honestly, he doesn't buy into the philosophical side of this. He helps people when he can, doesn't stop to wonder about how redeemable they are. He'll help Shane, too, if he can because he's been promised Sam; he'd help him with his zombie infestation anyway, and it has nothing to do with worth or wrong.]

You're missing the point: this ain't your regular prison, and I'm not your average warden. There's no rule book for this kinda thing, just the go-flag and the finish flag. How we get from one to the other is up to us.

Capiche?