We could each work for two years and then retire having paid for the rest of our lives during that two-year career.
This happened more or less right on schedule (the technological advances, not the social/economic shift.)
Ergo, our problems now are not physical, they are mental/emotional. The only thing holding us back is ourselves and our (regressive or at least complacent) attitudes and beliefs.
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As an aside, "But yet, one gets the sense that Pandora’s box has been opened." That's not the right metaphor. The box Pandora opened was filled with evil demons.