Everyone on the cover of Sgt. Pepper is Cabal. Google doodles are the same sort of shout out. Youl'll see the sun/moon/pillars/checkerboard floor, and then you'll click on it and it'll take you to a picture of a dude doing the hidden hand. Check out the Halloween doodle-game. Normies (green) and Royals (purple) racings to see who can collect the most souls.
I'm guessing "Paul is dead" was a way of saying publicly that Paul had completed his initiation and was a born-again illuminati, so in effect the old Paul was dead. They like to do that … dual meanings.