What can I say, sefton, but that it is a wondeful feeling to be understood and disagreed with. Except for this statement which I don't understand (because I am dumb), "it's an empathetic act that started with Keats beauty/truth equation, and has gone on to reveal itself elsewhere (an interest in realism, for example)," your exposition is a model of sweetness and light. I wish I've thought of "complex carbohydrate." Since I didn't, I can only offer a Matisse quote, to put alongside your Damien Hurst shark, "To sum up, I work without a theory. I am aware primarily of the forces involved, and find myself driven forward by an idea which I can really only grasp little by little as it grows with the picture."