> but that's where the debate is at the moment.

Because of the rulings of a couple of judges. Is that actually what the majority of people think?

> Copyright law only considers illegal ownership of a work

That's definitely not true. File sharing, for example, is illegal even if you legally own the original copy you're sharing.

Similarly, copyright has something to say if I read a legal copy of harry potter and then create a new work in that world.