Earlier quoted context omitted.
I adore most of Chiang's work, but Understand is one of my least favorites. Fun premise, yes, but it reads to me like much less mature sci-fi, like something written by a teen about what being super-smart would feel like.
That's the problem with any superintelligence story; they are by definition hard to write without being superintelligent. As Vinge was famously told, "you can't write this story. No one can." If a chimpanzee could write a story about a human expert of any sort, the other chimpanzees wouldn't understand it: it would either be gibberish, or dumbed down to superficial analogies that give an illusion of understanding. ("…
This is kind of how "Excession" by Iain M Banks is. Much of the dialogue in the book is supposed to be between the hyperintelligent AI "Minds" that are the ships in his Culture universe. It's supposed to be in a form similar to how they talk to each other. It's quite hard to read. I can never decide which of the two (gibberish or dumbed down) it is. Probably both.