This bodes ill for the future when a good chunk of the remaining jobs will be automated away for good to be replaced with unstructured free time.
It reminds me of a recent article I read about a girl that suffered from anxiety unless she is creating cosplay costumes. It struck me that the particular activity probably had less to do with the solution than the fact that she had something to do.
This is a flimsy setup for your conclusions, which you seem confident about. Do you have data from an actual survey?
Lots of things happened in the 60s. One of them was the first generation being raised by parents who may have spent a significant portion of their childhood living under the Cold War threat of an imminent nuclear holocaust, who then went on to raise their own children.
In 1960, half of the population had a limited number of roles easily available to them: housewife, secretary, nurse (both until marriage), servant. Most of the non-white population was diverted to specific cul-de-sacs in terms of place in society.
Do you think these folks were overflowing with joy and purpose? They did not. Google "female hysteria", a condition that was treated with prescriptions for vibrators, narcotics or institutionalization.