> Game of Thrones completely disregards the real world, and because this is on purpose, I think criticisms from "realism" are unwarranted
This is not true, any work of fiction needs to be believable within the bounds it sets for its world. Those bounds are extended to include dragons and magic, but no more. The rest of it should be as close to the real world as possible. There's a term for this, https://en.wikipedia.org/wiki/Verisimilitude_(fiction)
Yes, I'm aware of this term, back from when I read Tim O'Brien masterful Vietnam War novel, "The Things They Carried" (which I recommend if you haven't read it).
A Game of Thrones has plenty of verosimilitude. The thing about it is that's about feelings, the emotions in the reader. If you read it and something takes you out of the moment -- "wait, this makes no sense! this character would never do this!", "dragons!? nobody ever mentioned dragons before!", "what, one man defeated an army of hundreds single-handedly!?" -- that breaks verosimilitude. But within AGoT, very few things do this. It's self-contained and, within the span of your reading it, self-consistent. It won't resist a medieval history scholarly review, but then again, it's not meant to, and neither is it "shallow".
This is not true, any work of fiction needs to be believable within the bounds it sets for its world. Those bounds are extended to include dragons and magic, but no more. The rest of it should be as close to the real world as possible. There's a term for this, https://en.wikipedia.org/wiki/Verisimilitude_(fiction)