Beautifully put.

A shared illusion of mutually entangled observers with different subjective perceptions of the world with mutual lowest common denominators (senses).

The superdeterminism is the thing bugging me most about Sabine's content, that even though it's usually good, it's all from a hard deterministic perspective, which in the end is like any narrow worldview - limited in its usefulness. And superdeterminism at this point is just a philosophical version of saying "no you are" in an argument or "works on my machine" to the QA.