It's always linguistic in the sense that it deconstructs some other work, or "argument" (from a philosophical POV). It may not always illustrate words or phrases, but the conceptual basis remains. Similarly, the artist mentioned in the OP makes an iconoclastic effort to borrow other bits of film and reveal a different perspective about them, all the while decrying the tenability of objectivity (in this case, the objective nature of violence and how it influences us). Rejecting grand narratives, whether they be scientific, spiritual, religious, political, or otherwise, is a staple of the postmodern movement.