Quite the contrary, there is no clear understanding of her wishes. There is no arguement regarding her right to determine her fate, the question is discovering her wishes.
Michael received payments in 1992 of $250K, $1.4 mill, and $600K for a total of two and a quarter million dollars.
To get it, he blubbered he'd care for her for the rest of his life.
Having got it, he forbade any therapy for her, bought a house, two Mercedes and greased the palms of a series of weaselly shysters in his mad drive to murder her.
Not a right-to-die case, not by worlds.