> ... Steve Jobs had not been as wealthy and powerful as they had been, they would also both probably be alive.
Steve Jobs got pancreatic cancer, IIRC. Which has a pretty low survival rate, per wikipedia 5% after 5 years from initial diagnosis. So most likely he'd be dead by now no matter what he would have done.
Not all pancreatic cancer is alike. IIRC he had a variant that would have had a ~80% chance of a favorable outcome, given he would have chosen the generally advised treatment