If only 10% of the population is driving economic growth, that would indicate an intense resource problem. Doesn't it seem plausible that we should seriously co

If only 10% of the population is driving economic growth, that would indicate an intense resource problem. Doesn't it seem plausible that we should seriously consider the possibility that somewhere around 1973 our essentially 19th century system of economics became obsolete and so was unable to drive much growth?