I hear what you are saying and I agree.
But I’m wondering whether you are looking at the wrong level of granularity. If you are thinking of medium as a site or a publication, it is definitely over-dominated by a narrow set of themes.
I’ve always loved Piaget’s definition of intelligence as “knowing what to do when you don’t know what to do.” It fits perfectly with your point that post-industrial work is learning.
The challenge is — as suggested by Piaget — that we need to get good at a very specific kind of…