Or at the very least, if nobody owns it (as some people seem to believe), then content creators shouldn't be deceived into thinking that they own it and that society won't just pass it around. Whether or not IP exists, society at large needs to mostly agree one way or another, or a lot of people will put a lot of effort into something they wouldn't otherwise, and they won't be reimbursed in the way that convinced them to put in the effort in the first place.