Of the various theorists of hermeneutics, Paul Ricoeur always frustrated me most. I would assent to roughly four-fifths of a point he makes, and then the remaining fifth would seem entirely off the mark. And in such frustrating prose! Give me a bracing, dense passage of Derrida any day, rather than the deadpan exposition of Ricoeur.
Yet I doubt that anyone has done more productive work, across the whole span of hermeneutical thought, in the twentieth century. Ricoeur affected everything; if you disagree with him, you still interact with him (whereas ideology fences off, say, Derrida from his dissenters). His reflections on time, identity, narrative, parables, interpretation, culture, all make a difference to participants in the discussion across the board. Dissent need not mean disrespect; all grace and peace be with Paul Ricoeur, now and forever.