How would you know nobody learned calculus? You are comparing people that dont know to people that know with that allegory. In a collaborative setting you woul

How would you know nobody learned calculus? You are comparing people that dont know to people that know with that allegory. In a collaborative setting you would be able to see what people build, teach each other, and learn. A team with 5 people that know 20% calculus can produce much better results than a team where 1 person knows 100%. And sometimes they wouldnt be able to produce a result at all.