The Princess is everything a little girl should be: smart, clever, pretty, and just a little manipulative. Her Grandmother is all those things, too, but with extra added
I suspect that when this trope pops up I'm exploring the theme, "I'm doing what's best / This is for your own good." When I have a little more time, I'll take another look what this trope is trying to tell me in terms of moral compasses and world maps.
Looks like I need to add another square to the "John Is Writing" Game.