Paul McCartney wants you to bow to the altar of health and environmentalism, and observe the Meat Free Monday. Homer Simpson notably exclaimed once upon a time: "Rock stars... is there anything they don't know?"
Dude, you were cool and cutting-edge 45 years ago, and that was mostly by piggybacking on John Lennon. Now you wanna do the same with Bono - he may be an economic ignoramus too, but at least he was mostly original. Go spoon with Al Gore.
I hereby announce and begin promoting Paul McCartney Free Decade.