[Jim Noble]

“From what I understand,” Brat said, “whoever’s sitting in the chair has authority over the parliamentarian. So they can rewrite the rules.”

Yes.

Hubert Humphrey tried this in 1967, when he had a majority of 68D-32R and he ruled from the chair that a simple majority could change the rules.

The ruling of the chair was appealed to the floor.

Vice President Humphrey, with his huge majority, was overruled 46-54.

[Yosemitest]

Sounds like demonstrated PROOF to me.