[ultima ratio]

This is my final post for a while. But many theologians debate your assertion. Not just traditionalists. Many of the most important liturgists believe the Pope has no authority to fabricate a liturgy. His authority extends to passing on what he is given. He is primarily the steward of a treasury of faith.

[Polycarp]

Many of the most important liturgists

You know the difference between a liturgist and a terrorist, right?

You can negotiate with a terrorist.

I know its the post-VII liturgists this applies to, but I thought a moment of (weak?) humor might help...

[Catholicguy]

This is my final post for a while

Take some time to read some Liturgical History. I suggest "The Mass of the Roman Rite" a two volume history by FR Joseph Jungmann. It is easy to read and is INCREDIBLY well sourced. You NEED to read some real history because you continually made easily-correctable errors re "The Mass of all times"