Where is Earnest Japanese?

Hideki Wada is a psychiatrist and a famous writer on education. He declares losing earnest is the main reson why the position of Japan in the world has been lower.
Actually, the Japanese business persons worked very hard until the buble economy. They always worked more than 15 hours a day, but they didn't have their family life. Everything of their life were contributed for thie companies. He addreesed the time would be true and the current Japan society is fault. The main reason is that the Japanese who is lower than average lost earnest because the education level had been easier by the government. Is that true?