I see that too, especially with GenAI upending a classroom professor's ability to assess student learning. The days of 100:1 student:teacher education may be gone 

back in the day, we had tutors and specialized trade schools (I'm thinking, like, 15th century). 
I project efforts like that will return

denlillaapan

econ

Is Your Master’s Degree Useless? (The Economist)

I think it depends on the subject. Yes it's possible to learn on your own, but not many people can do it well, and what's even harder is sorting through *what* to learn without someone guiding you