In this paper, I argue for three theses. First, that the problem of Deep Disagreement is usefully understood as an instance of the skeptical Problem of the Criterion. Second, there are structural similarities between proposed optimistic answers to deep disagreement and the problem of the criterion. Third, in light of these similarities, there are both good and bad consequences for proposed solutions to the problem of deep disagreement.El presente artículo presenta tres tesis. En primer lugar, plantea que el problema del desacuerdo profundo se entiende, convenientemente, como un ejemplo del problema del criterio desde la óptica del escepticismo. En segundo lugar, existen similitudes estructurales entre las respuestas optimistas que se propon...