Tyler Cowen provides the skeleton key to understand the modern education system:
Placebo effects can be very powerful and many supposedly effective medicines do not in fact outperform the placebo. The sorry truth is that no one has compared modern education to a placebo. What if we just gave people lots of face-to-face contact and told them they were being educated?
[Ben Casnochna writes:] He reluctantly provides the terrifying conclusion: Maybe that’s what current methods of education already consist of.