Why Won't Japanese Workers Go on Vacation?

Balance in everything, especially life and work. U.S. workers have been working longer hours (for less pay) for decades, a worrisome trend, which ultimately may help noone, as the Japanese case makes clear:

A fair body of evidence supports the idea that this overwork does not help—and may even cost—Japanese companies' profits. Workers' tendency to stay at the office just to seem like they're working actually drives down productivity numbers, and plummeting job satisfaction and skyrocketing fatigue also decrease the amount and quality of work done in the hours at the office.