Really it's more about the idea that starting a show with the premise of subverting (genre-name-here) means you can't tell a compelling (genre-name-here) story.
GOT/ASOIAF sets up this grand threat, which is kind of the core staple of heroic fantasy, but there's no way to finish the story in a compelling way except to actually have heroic characters rise to the challenge.
Really it's more about the idea that starting a show with the premise of subverting (genre-name-here) means you can't tell a compelling (genre-name-here) story.
GOT/ASOIAF sets up this grand threat, which is kind of the core staple of heroic fantasy, but there's no way to finish the story in a compelling way except to actually have heroic characters rise to the challenge.