Why then does ‘intellectual property’ remain in use? Because it has polemical and rhetorical value. Its deployment, especially by a putative owner, is a powerful inducement to change one’s position in a policy argument. It is one thing to accuse someone of copyright infringement, and another to accuse of them of the theft of property. The former sounds like a legally resolvable technicality; the latter sounds like an unambiguously sinful act.