Yes, but that's true of a lot of things in life. I mean you can find a professional niche that is already somewhat well known and study your way up to the top

Yes, but that's true of a lot of things in life. I mean you can find a professional niche that is already somewhat well known and study your way up to the top 80-90% from 0. My point is that it actually isn't that difficult to do if you make it your goal to do so. My point is that the niche doesn't have to be objectively "hard".