As I understand it, the "Do 10,000 hours" idea is about achieving expertise. It doesn't mean that you had to have to started specializing and achieving that exp

As I understand it, the "Do 10,000 hours" idea is about achieving expertise. It doesn't mean that you had to have to started specializing and achieving that expertise when you were 3 years old. So I think that the premise of the article, though not necessarily that of the book itself, is a straw-dog argument.