This section may have the weakest of the arguments. Widespread ignorance on the liturgy? That’s true from bishops on down. Widespread abuses? Maybe in California, but most people are just following what was handed on to them. More people duck out of Sunday Mass for non-liturgical reasons.
What did Christ establish in the liturgy as immutable? What was part of the inspiration of the Spirit through culture, Judaism, and other good influences? What is the extent of the power of the keys handed to Peter; is it just in juridical matters? And what of past vital questions that were debated and discerned and moved far from what was before? The example that comes to mind is the council in Acts 15 that essentially disentangled the Way of Christ from Judaism.
[10.] The Church herself has no power over those things which were established by Christ himself and which constitute an unchangeable part of the Liturgy. Indeed, if the bond were to be broken which the Sacraments have with Christ himself who instituted them, and with the events of the Church’s founding, it would not be beneficial to the faithful but rather would do them grave harm. For the Sacred Liturgy is quite intimately connected with principles of doctrine, so that the use of unapproved texts and rites necessarily leads either to the attenuation or to the disappearance of that necessary link between the lex orandi and the lex credendi.
What do you think?