I don’t disagree, but I believe there was a communication barrier for her. I could be wrong and don’t remember right now, but I believe she did not know English.

though I do think the waiver arguments underpinning that side of the case will wind up getting pressure tested in pretty short order.

Possibly. Disney withdrew their motion after the PR hit them, and are likely negotiating a settlement. But other cases may change the way arbitration agreements and contract law are handled.