Ho, ho! It WAS an actual recommendation. It may not have been based on an actual person, but it most definitely was an actual recommendation.
The third leading cause of death in America is medical malpractice. Sure it will make a few mistakes, but I bet as the AI improves it will be better than a lot of doctors. Mistakes by doctors cause 100s of thousands death a year. Lets dont blow this out of proportion. Nowhere does.it state how often Watsons treatment was correct.