[ he's really just flipping faces up and down on his gameboard now for no reason as much as fiddling with something. ]

Personally, I've never seen it. Justice is a fancy, trussed-up word for revenge. Eye-for-an-eye. A bit of a fairy story sometimes people tell themselves to live with it.

[ clicking down a face on the board. clicking another one up. ]

Not that there's anything wrong with a bit of good revenge.