I’m sure the 2010s incest vogue might have felt weirder if I ever had siblings, but it just confirms that this is cyclical, like I keep saying there had been one in the 80s, Flowers in the Attic and the Brooke Shields coming of age naked with her cousin on a tropical island Blue Lagoon on. I suspect ASoIaF was originally a ‘90s grimdark Going Meta-Aware critique of genre fantasy, and you were supposed to recognize the Jaime/Cersei psychic-bond twincest as a trope