We shouldn't mix up the max skill level with the average skill level. They are very different issues, and different educational systems may optimize for differe

We shouldn't mix up the max skill level with the average skill level. They are very different issues, and different educational systems may optimize for different things. For example, maybe if you are a very good mathematician in the US you can get high-paying jobs for intelligence agencies, data analytics, that sort of thing. But if you are a mathematical genius in another country, maybe they don't have the same job opportunities so you have to go into math teaching. That would cause the US to have very good mathematicians and at the same time terrible math teachers.