But surely looking at your paintings would be a waste of time that would be better spent learning to paint. No I don't mean that - I don't know your paintings.

But surely looking at your paintings would be a waste of time that would be better spent learning to paint. No I don't mean that - I don't know your paintings. But supposedly they are works of art, like computer games. What is the justification for their existence, if there are so many more useful things to do? What is the justification for reading a novel? Or watching a movie?