Most of these people are the best in the world at what they do. Like literally, the best out of tens of thousands of other smart people doing the same thing. If

Most of these people are the best in the world at what they do. Like literally, the best out of tens of thousands of other smart people doing the same thing. If you think that you will become the worlds foremost expert in something if you "go back to school for a bit", then I don't know, maybe you should just go for it.