My comment about mechanics was specifically with regards to information asymmetry. That is, 99% of people do not know enough about cars to determine if they ar

My comment about mechanics was specifically with regards to information asymmetry. That is, 99% of people do not know enough about cars to determine if they are being fleeced. Now imagine dealing with the human body. Information symmetry leads to market failures: https://en.m.wikipedia.org/wiki/Information_asymmetry https://en.m.wikipedia.org/wiki/Information_asymmetry