Because MobileMe, Apple maps, and Apple Music are just so successful...stick with Hardware and operating systems, Apple.
Everyone knew Apple Maps was going to be a work in progress. The program/application was essentially built from the ground up and did need time to mature. I don't see nearly as many complaints about Apple Maps anymore. Apple Music is a perfectly fine service, which I use, and how can you turn down a 3 month free trial where you can download every song in the app store? MobileMe was a failure though, I do agree with you there.
I'll give Apple the benefit of the doubt and say the company will be successful at launching a phone service. Apple could just buy Sprint from Softbank and dump loads of money into the towers, which would then improve coverage.