Matter can neither be created nor destroyed, it can only be changed. That's the law of conservation as derived from Albert Einstein's theory of relativity. He was pretty good at coming up with nifty stuff like that.
Well, boiled down, (an intentional pun you'll understand after you see this video), this amazing revelation demonstrates how the magic of science can and does work. To boot, there're commercial benefits from it -- a way to monetize it. Put science and commerce together and you're bound to have a hit. Doing good for goodness sake is a virtue. Doing good for money-making is capitalism. Well, Goodness meet Capitalism. Who wouldn't want their name on this kind of billboard?