Seems like George doesn't like Paul's recent work. What do you think?
Oh, I think that's a bit harsh. Certainly George likes Paul's stuff-- but some of it needs work. This is true with any creative endeavor. Musicians here, back me up, but I've heard most people write several songs for every one they record. According to Wiki, for Michael Jackson's "Bad" album: "Jackson wrote a reported sixty songs for the new album and recorded thirty, wanting to use them all on a three-disc set. Instead his longtime producer Quincy Jones cut it down to ten tracks and a bonus song making it a single LP." This album became Jackson's 2nd biggest seller.
Artists work in various ways. John would tend to bring rough songs, sketches really, into the studio and have people flesh them out. Paul tended to finish the works in his head. So he would be clear about what he wanted-- but he's still going to need an objective voice to tell him when what he's imagining isn't working. This doesn't in any way imply that Paul does shoddy work. It's just that what an artist envisions in his or her head doesn't always come across to the outside world the way it needs to, or most effectively. That's why many artists enjoy working with a good producer-- someone who can provide feedback and direction, because everyone