At what point did you realize the slice of life episodes started to be better and more enjoyable than the real plot?

Well, they didn't execute him in the end. It isn't selfish to risk your life and lose your arm just to bring your friend back to life he deserved.

>he deserved
to die, or spend the rest of his life in jail
Kakashi even says as much
Sasuke is only allowed to be free because Naruto says so, and he's the only one who could realistically stop him

And? It has nothing to do with the previous argument. We were talking about selfishness. It isn't selfish to save your friend.