Why have our “needs” risen as our productive powers have, with the result that the hours we devote to employment haven’t fallen as much as Marx or Keynes foreca

Why have our “needs” risen as our productive powers have, with the result that the hours we devote to employment haven’t fallen as much as Marx or Keynes forecast? Why is it that so many of us - I count myself fortunate to be a partial exception - haven’t used wealth to free ourselves from alienating labour? Because we're accelerating.