That is absolutely nonsense, this kind of parenting will just harm the relationship between kids and other family members, and also bring your children a traumatic childhood. The most important part of growing up is not just exams, but building value. In fact, score perfectly, go to a great college, and have a high-paying job but working 80 hours a week doesn't necessarily bring happiness. If you go see the latest interview with the author of this book, she indeed regrets that she had been too harsh to her children.