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The extent to which "people able to do productive creative work" is a group hard-capped by biology will be unknown for as long as virtually all young people are compelled to spend their most fruitful learning years doing exactly the sort of tasks we're on the cusp of automating.
That said, "education" is such a fat sacred cow that I expect >1 generations to come of age in a society that can't do anything with them. "Retraining" for creativity, style, play, lateral thinking, etc. is probably not impossible, but a 6-month bootcamp is not going to cut it
