> stop working and so will your body
Citation badly needed here.
I can tell you that before my peers joined the workforce, everyone was part of sports and clubs and community activities. After they joined the workforce, that stuff largely dropped away, because work is too time consuming.
What I want to know is what happens at scale if people retire at 30 or 40, or maybe if they never work at all. The idea is that automation might free up people from work entirely. I don't think it's fair to extrapolate data from people who have been working for 30+ years and then had an "early" retirement.
That aside, a society in which no one supports himself but rather is dependent on the noblesse oblige of the state to survive is a dystopia I hope never to see.