they are too perfect and don't have the superficial flaws human have. You are used to see regular looking people or above average in your daily life, so it's not relatable, but flawless people do exist.
It's almost as if... no, it can't be...............
look bro, real women are mostly disgusting. Almost any woman who looks even vaguely pretty is caked in makeup. And will be extremely spoiled and irritating because of the insane privilege experienced by any even remotely attractive woman. Thus 2D is better. I've been with enough women to know how it goes.