True enough, but look at your last point. > Society doesn’t rediscover pi, e, I, and calculus from first principles every half-century, but rather we’ve instit

True enough, but look at your last point. > Society doesn’t rediscover pi, e, I, and calculus from first principles every half-century, but rather we’ve instituted that knowledge into books and mechanisms of teaching. How long and how many resources does it take to train someone to understand pi, e, and calculus? Or, to apply your nice analogy to the topic under discussion. what are the expected costs (time + training support) to get a new hire trained on all of the written materials which describe the system? For a non-trivial system, those costs can be very high.