In my eyes, this is a very good competitive move on Apple's part. Do consumers suffer? Maybe in the short run. But long term, I've got to believe Apple will have a competitive (if not superior) product. If you really want google maps on your iPhone 5, you can probably get it. In the meantime, people are using Apple Maps. Here are the two possible scenarios that Apple was facing (in my feeble eyes)
Scenario 1: Apple stays with Google until the end of contract. Google and the rest of the world know Apple is working on a mapping project. Google releases Maps app prior end of contract. 80% of Google Maps users download app and continue to use it. Apple Maps has a 20% share and possibly suffers slow, painful death.
Scenario 2: Apple surprises Google, cuts off contract and removes Google Maps from phones. Releases product with bugs. Consumers whine and complain, but use Apple's map app and it gets better while Apple simultaneously makes improvements. This goes on for months while Google, caught off guard, scrambles to release standalone app. By the time Google app comes out, consumers have gotten used to Apple's maps and have noticed improvements. Rumors are leaked regarding upcoming improvements. 50% or more stick with Apple and the Apple maps app is now off and running.
The scenario 2 might be true to apply to some people but I am not using and won't be using Apple's Map app at all until they come up with something competitive. As it stands right now, there is no need for me to use it. If my community where I live is still shown as a plain field (satellite view), even though the community was built and done a year and a half ago, I won't trust Apple's Maps ( I live in the U.S.). Google.maps in home screen is the way to go for me for now, not as good as a native app but I have no choice.