My default is passive aggressiveness when it comes to anything to do with ridiculous management, that and weaponised innocence.

D: "Hmm, your choice didn't seem to work out the way you intended it"

M: "The way *I* intended it, it was a group decision!"

D: "Well, no" <lays out printed emails> "The dev team did object at the time, but you said you have previous experience and your way was just better"

Takes a while to have no shame.