Well, they could stonewall like BMW and deny that their capacitor causes the owner to spend $500 to fix, or that their plastic impeller in water pumps fail after a short time...
That is an example of what I call "Bad Brother-In-Law" thinking. Just because I may treat my Wife better than my Brother-in-Law treats her sister does not make me an exemplary husband. I have to do the best I can do on my own.
BMW's customer relations problems have nothing to do with the strength of the steering gear on the Toyota Prius.