That's one of the limits, yeah. You also get things like "fair use". You're correct that price is not currently a restriction in every case, but there's a goo

That's one of the limits, yeah. You also get things like "fair use". You're correct that price is not currently a restriction in every case, but there's a good case to be made for compulsory licensing (which is partially a price limit). Copyright law creates artificial monopolies. Market based pricing breaks down in the face of a monopoly. Given that we're dealing with state enabled monopolies, it seems reasonable that we should clamor for changes to the framework they operate under.