Actually, it is becoming increasingly apparent you are a child in this situation. There is nothing you can say here that doesn’t make you responsible for the actions of your children. You deal with it, end of story.

+1. Discipline is about consistency. Unruly behavior typically tells more about the parenting than it does about the child. Be the adult, control your children.

You’re brilliant. Take it to the airlines!

You are correct. THIS is the proper etiquette for airline travel. The lone exception is large flights with 4+ seats where the middle seats must duke it out.