“Sarah and Nichols are both 100% right: this does matter. It goes to the heart of the question of what the Holy Sacrifice of the Mass really is. It touches upon that whole raft of practical changes (“Reordering”) which were not in any way whatsoever mandated by the Council but which were put into effect by those who subsequently got their hands on to the levers of power. It bears powerfully upon the crucial question of whether the mighty task of the redintegratio of Catholic worship, set in motion by Papa Ratzinger, will continue under Papa Bergoglio’s successor.