But the better answer is that Hotchkiss has simply fallen into the trap that wealthy people and wealthy institutions and wealthy countries — all Goli… - Malcolm Gladwell

Parents with a child born at the end of the calendar year often think about holding their child back before the start of kindergarten: it’s hard for a five-year-old to keep up with a child born many months earlier. But most parents, one suspects, think that whatever disadvantage a younger child faces in kindergarten eventually goes away. But it doesn’t. It’s just like hockey. The small initial advantage that the child born in the early part of the year has over the child born at the end of the year persists.

[Greenberg] knew that cultural legacies matter — that they are powerful and pervasive and that they persist, long after their original usefulness has passed. But he didn't assume that legacies are an indelible part of who we are. He believed that if the Koreans were honest about where they came from and were willing to confront those aspects of their heritage that did not suit the aviation world, they could change.

Any fool can spend money. But to earn it and save it and defer gratification — then you learn to value it differently.