[abbub]

Not only all of the above, but for Paul in particular, a genius who was in the midst of one of the largest creative highs of his entire career. I mean, some of the snippets of ‘half-baked’ songs he plays are songs that will figure well into his solo/Wings career. I honestly don’t know how you can come out of watching Get Back with anything other than admiration for human creativity as personified by Paul McCartney during this amazing month that got captured on film.

[randoglando]

It's because it fits his narrative for the book he's selling ("Creativity").