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Conversely, in poker they say you can be the 6th best poker player in the world, and if you sit down with the 1st through 5th best players in the world you'll lose. Yes, reinventing wheels is still an accomplishment. But it won't earn your daily bread. Specialization will.
My honest impression is that if you made everyone 100% rational and abolished all nonsense you would just be destroying all the mechanisms that allow the vast majority of people to live.
