Answer
As the answer suggests, the argument revolves around the characterization of Sade's behavior, specifically whether it should be deemed criminal and sadistic. The discussion likely delves into the nature of Sade's actions, their motivations, and their potential consequences, with different viewpoints and perspectives being presented. The underlying issue appears to be the moral and ethical evaluation of Sade's behavior, with the terms "criminal" and "sadistic" carrying significant implications.