That was only out of hand as you made it. [And he doesn't want to think about the people that they were involved in hurting. It pulls him out of professional mode, and he's been hiding in his own responsibility in personal involvement for years rather than having to face that he lost people. Elaborating will further push him into a position where he has to admit that he was pretty badly wounded by these circumstances. So he moves on to the obvious stupidity of, "But it's alright to do this if he was sad!"]

Being upset or having bad things happen to you is a bad reason to hurt people. And this time it may have been you, but next time it might be someone not so prone to Stockholme. And if you go through with a shit-stupid plan, you two, [Non-gun holding hand points between one head and the other] especially you [at Scrad, who seems the most susceptible to being pushed around.] it stops being their idea and becomes your idea, too. That's what being an "accomplice" is.

[He motions off to the side with the icer.] Go do some laundry! I'll come find you in two hours. And believe me, I will find you, so don't try to hide. And then I'm taking you to Zero.