So why would we ever expect them to grant audiences to people who want to talk about the rape of children's souls?
Let us not mince words: Cardinal Caffarra is protesting, however politely, an attack upon the Church by the Pope himself, who remains silent, and is evidently pleased, as the incalculable damage he is causing spreads from diocese to diocese and nation to nation.
And yet, in the face of this outrage, absolutely unparalleled in the history of the papacy, Cardinal Caffarra concludes his letter, not with a justified demand for rectification of the scandal, but rather by pleading that “our conscience impels us to humbly and respectfully request an Audience.”
I don't know. I don't think the answer as to why the Holy Father is obstructing fixing the problem is all that complicated. They've waited decades to do what they did on parish and diocescan level on the level of the Chair of Peter. He doesn't want to formally hear the damage he's doing. They never do.