Sure, they went commercial later in their careers. But is it possible that one of the most successful, biggest-selling bands worldwide needed to make commercials? It would appear that at some point, they thought they might. Here are a couple PSAs the band wrote.
Thus concludes the Secret Sellouts section of the book. On to more totally real documents and artifacts I found when I actually traveled the globe and did research and found these things for real over the course of several years.