Insincere respect
Insincere respect is like an insincere apology, it's about as useful to someone else as jerking off. At least have the balls to be an openly disrespectful asshole who's never going to apologize for your actions if you're not going to respect somebody ese, and you don't have to, you don't owe anybody anything.
Instead of giving someone insincere respect, just give them no respect, and let things sort themselves out, they have a way of doing that. It's even simpler than trying to speak somebody else's language with false apologies and respect to keep peace. If you have to do all that to keep peace with someone else, there wasn't meant to be any peace between the two of you.