Some places are genuinely fine: I'm in San Francisco and the maps really are pretty damn good (in SF, I'll actually use the word good). Of course, this is right in Apple's back yard, but the reports seem to indicate that most major U.S. cities are in good shape (mind you, I'm talking about maps & places, not flyover's 3D views, which are a whole different story). And, I legitimately find the link to Yelp's reviews more useful than Google's place markings, but Google's are more consistently available.
Not to say that this isn't a huge mess, but simply that there are places where "Maps is good" ("Maps is great" is a bit much no matter where you are!).