Gross yellow gloves are for household cleaning. Blue gloves are for disposing of bodies, it's like the colour coded chopping blocks in kitchens

For sure.

I've read my Asmiov. "Violence is the last refuge of the incompetent."

But we're complex emotional beings and sometimes our amygdala lurches up from the warm fetid swamp it usually lazes around in and utters things we act on before slower, more complex neurological bureaucracy can veto. Actual nazis will do that to the most disciplined of us.