There's a massive amount of McCartney fandom swirling around the internet at the moment. Call me a cynic, but still being alive allows you to write history with yourself at the centre of it. Or even rewrite it, if you need to.
The silliest stuff is about John Lennon not writing solo songs as well as McCartney during his lifetime. This is a little difficult if you were shot dead at an early age, isn't it?