PP100 is a really broad metric- covers everything from defects to failures, to ignorance and misunderstandings.
For example, tesla’s often rank low in these studies because new owners sometimes have to make dealership trips to learn about operation.
Still holds water to me, though- problems with UX and things-not-being-intuitive is absolutely something that can rise to the level of very serious problem, and one thing this study does, is provide a barometer of how brands are actually doing in terms of quality, in production, on the year.
Toyota North America Dealer’s Associaction
where the official slogan is
abandon all hope, ye who enter here