The old bloke sounds more inspired and, well, less goofy than he has in years (Elysa Gardner, the Los Angeles Times ). However, a few critics call the songs more Wings than  He has done some sucky stuff in his long and partially illustrious career, but it has to be said that, overall, McCartney has never sounded less necessary (Andy Gill, the Independent ). (See the Flaming Pie site.)
He actually doesn't sound as goofy as he has before.