It's not preventing him from expressing his views. It's preventing him from using specific sequences of words, images, and/or music that have been used by other

It's not preventing him from expressing his views. It's preventing him from using specific sequences of words, images, and/or music that have been used by other people before. He can still express the thoughts behind those in his own words if he wishes to do so. If I want, I can write my own novel about cloning dinosaurs. I cannot simply reprint Jurassic Park without permission.