How is it "interesting"? I think it's fairly obvious: Anything you can act upon is your very own responsibility, and has influence on what is happening or not happening around you; be it one or six "steps" away from you. Anything on top of that is just a story you tell yourself.
"Oh, me?! No, I just built the Jew inventory for the Nazi death camps, loyal to my American company!"
Ah! Maybe they went to a priest to confess, and got absolved. All fine then. Nothing to see here.