In 1930 Keynes Predicted We Would Be Working 15-hour weeks. Why was he so wrong?

John Maynard Keynes predicted in 1930 that technological advances would lead to 15-hour work weeks by 2030, but this hasn't happened. Instead of choosing more leisure, people and societies have prioritized higher consumption, status competition, and income inequality, which have kept working hours far longer than Keynes anticipated.