We kind of made a name for ourselves by defying protocol... it's what we're all about.
In all seriousness, we think we're Americans, and can do whatever we bloody damn well please, because no one can stop us. Lucky for you we believe in peace through strength, and are the stewards of liberty and freedom around the world. It would be really fucked up for you if we were tyrannical.
Noblesse oblige? I think that must be French for something, but we don't have many French traditions here.
Ever hear the term: Fuckofficus and Eatshiticus?