Gladwell later changed his view on the 10,000 hours thesis. In the foreword to "Range: Why Generalists Win in a Specialized World" by David Epstein, he openly s

Gladwell later changed his view on the 10,000 hours thesis. In the foreword to "Range: Why Generalists Win in a Specialized World" by David Epstein, he openly says that. I don't think this is a failing of Gladwell, though. He truly believed the Outliers thesis at the time and was, in fact, partially true. "Range" by David Epstein is a fascinating book.