For now, the change from 3:2 ratio apps to 16:9 ratio is a big win for developers and will avoid a lot of design problems. I can only hope that later Xcode builds will finally allow an option for truly “iPhone Only” builds.
Source: “iPhone Only” apps on the iPad
It’s the little things in life. I had to deal with this last year and was wondering / hoping if and when this would change. I have a nard time seeing this being dropped during beta.