This comes up a lot. Did the shop weigh down the car before doing the alignment? If they didn't, it will be near impossible to get an "in-spec" alignment on paper. It doesn't mean it's wrong however.
Here's the thing... front camber is fixed. There is a pin in the shock tower/strut assembly that prevents any adjustment. Without weight in the car you will not see a "perfect" alignment on paper. One other factor that can contribute to camber settings up front is shock tower mushrooming. You can surf the forum and WIKI for info on these things... lots of discussion.
In my experience, that small amount of negative camber has less impact on tire wear than too much toe. Toe is more important to tire wear.