Copyright does not suppress political dissent, neither explicitly nor implicitly.
More broadly speaking, it does not suppress expression of ideas, even ideas expressed in copyrighted work. You could take any copyrighted book, and retell its story in however great detail you want, and that wouldn't be copyright infringement.
More broadly speaking, it does not suppress expression of ideas, even ideas expressed in copyrighted work. You could take any copyrighted book, and retell its story in however great detail you want, and that wouldn't be copyright infringement.