You could make the same point for cameras and the human visual system. Neither accurately depict what's really there. Plus, realist art isn't pretending to be

You could make the same point for cameras and the human visual system. Neither accurately depict what's really there. Plus, realist art isn't pretending to be what's really there, with the possible exception of trompe l'oeil. It's a representation in paint, a mimicry created for various purposes, none of which is to make you think you're standing in front of the thing being depicted.