The Vatican clearly knows that nobody believes Bergoglio is fit for office, so much so that they need to bring out Joseph Ratzinger to say that he really is

“I applaud this initiative, it contradicts the foolish prejudice of those who see Pope Francis as someone who lacks a particular theological and philosophical formation, while I would have been solely a theorist of theology with little understanding of the concrete lives of today’s Christian."
 The books, he says, “reasonably demonstrate that Pope Francis is a man with profound philosophical and theological formation and are helpful to see the interior continuity between the two pontificates, even with all the differences in style and temperament.”