[She laughs, fixing him with a look of near disbelief.]

What, your imaginary scenario where your title is useful here?

[Her eyebrows arch and she laughs once again, giving a shake of her head.]

To answer your last question: justice is a biased system that typically falls back on an eye for an eye mentality. I don't think anyone can truly believe in the principles of it. Least not how it's meant to be believed in. You can't trust humans with something like it. They'll muck it up, first chance they get.