The difficulty here is that organ transplants are an extremely profitable and in-demand business for doctors and hospitals, and when a young otherwise-healthy-except-for-severe-head-trauma individual is brought in at the point of death, it has been found that the hospitals are often more eager to harvest organs than to save the life.
Talking out my ass? Not only have several major national publications exposed this in recent years, but I'm sure the major internet search engines, like Google, still work.