Violent women, and the cruelest, never answer questions. They like to continue the misunderstanding indefinitely. So I seek to contact people only in order to torment them. My cruelty is my last attachment to the world, and my last chic.
Madness string 122760
In any enterprise - business, military, academic, sports, etc. - leadership gets the behavior that they reward. Being a parent is a leadership position, and these parents have taught their other kids that acting like the middle sister is the behavior that they reward. They can't be surprised that their other kids have learned the lesson they've taught.