Medicine is an entirely different problem. Salaries for doctors in the UK and Europe are much lower in part because the AMA limits the number of residencies and thereby the supply of new doctors in the U.S. That's de facto a monopoly.

If you're a top 1% pediatrician you don't get paid much more than a median pediatrician. That's because it's pretty hard (impossible?) to be a 10x pediatrician. On the other hand, you can make the argument that 10x neurosurgeons or heart surgeons exist.