As economists have often pointed out, we pay doctors for quantity, not quality. As they point out less often, we also pay them as individuals, rather than as members of a team working together for their patients. Both practices have made for serious problems.
Providing health care is like building a house. The task requires experts, expensive equipment and materials, and a huge amount of coordination.
To become a doctor, you spend so much time in the tunnels of preparation - head down, trying not to screw up, trying to make it from one day to the next - that it is a shock to find yourself at the other end, with someone shaking your hand and asking how much money you want to make.
Our great struggle in medicine these days is not just with ignorance and uncertainty. It's also with complexity: how much you have to make sure you have in your head and think about. There are a thousand ways things can go wrong.
No one looks at your hands to see how much they shake when you are interviewed to be a surgeon. The physical skills required are no greater than for writing cursive script. If an operation requires so much skill only a few surgeons can do it, you modify the operation to make it simpler.