They are faster, but I don't see how they are vastly superior to a course designed and offered by a subject matter expert in the field.
You can't beat a Caltech-tier lecture, for sure. But you know many people have access to that? You do know. Thousands, and I'm being generous.
LLMs level the playing field for the other 8 billion people.
Reminds of this article[1] that was featured yesterday and which I think was great!
they have been trained on material not just by single subject matter expert but all of them :)