Gerhard Cardinal Müller’s take on the Motu Proprio is a breath of the fresh air of clarity and charity. Here is an excerpt of the former head of the CDF’s brief response, as a taste and gist. Would that we had a few more men like he:
For the unity in the confession of the revealed faith and the celebration of the mysteries of grace in the seven sacraments by no means require sterile uniformity in the external liturgical form, as if the Church were like one of the international hotel chains with their homogenous design. The unity of believers with one another is rooted in unity in God through faith, hope, and love and has nothing to do with uniformity in appearance, the lockstep of a military formation, or the groupthink of the big-tech age.
Even after the Council of Trent, there always was a certain diversity (musical, celebratory, regional) in the liturgical organization of Masses. The intention of Pope Pius V was not to suppress the variety of rites, but rather to curb the abuses that had led to a devastating lack of understanding among the Protestant Reformers regarding the substance of the sacrifice of the Mass (its Sacrificial character and Real Presence)