This is about work-life balance. As robots do more work for us, we should have more free time, right? Decreasing our productive work time may actually be essential to keep up all gainfully employed; as AI and hardware with AI-brained software will get rid of 50% of jobs over the next 20 years. Japan and Iceland have 4-Day work weeks and found productivity is the same, and people are happier. Will other nations follow suit?