The specific person or entity has to have the copyright for the work in the first place (or the permission of that entity). In which case they're "taking" from

The specific person or entity has to have the copyright for the work in the first place (or the permission of that entity). In which case they're "taking" from themselves. As for Stallman's intentions, he's talked about this exact model: https://www.fsf.org/blogs/rms/selling-exceptions https://www.fsf.org/blogs/rms/selling-exceptions