Egan is always dense. It's some mind bending physics/comp sci, but all cooked up in his brain so doesn't really apply to anything productive. I struggled with his books and his writing but toughened it out because I liked the concepts, but he's divisive.
So the pragmatists question is then naturally, how do you teach it? How do you shard the curriculum if not by subject? It seems a bit overbearing to ask each teacher to have the proper renaissance man's education of knowing a bit of everything.