<p>“Separate the art from the artist” is an idea from literary criticism: it’s about giving you permission to talk about what the art _does_ without having to argue about whether the artist _intended_ that effect. </p><p>It’s not a moral framework! It doesn’t say anything about how to feel about buying a product, art or otherwise, that supports creators with odious opinions. </p><p>It’s not incongruent to be totally subscribed to the Death of the Author and also not want to buy any Harry Potter stuff.</p>