This is why:
... Indeed, besides Jahi's mother's claims, it is alleged that Children's Hospital is unwilling to allow an outside doctor to fit the 13-year-old with the breathing and feeding tubes that would allow her to be safely transferred to another facility, its lawyer said Tuesday.
Children's Hospital Oakland will not permit the procedures to be performed on its premises because Jahi McMath is legally dead in the view of doctors who have examined her, lawyer Douglas Straus wrote in a letter to the girl's family.
'Performing medical procedures on the body of a deceased human being is simply not something Children's Hospital can do or ask its staff to assist in doing,' he said....
“Let each citizen remember at the moment he is offering his vote that he is not making a present or a compliment to please an individual – or at least that he ought not so to do; but rather he is executing one of the most solemn trusts in human society for which he is accountable to God and his country.” Samuel Adams, April 16, 1781.