>> Point is, you can download an app that works better for you if you're not happy with Maps anymore, just like you could with all of the other built in Apple software.
Unless it “duplicate features that come with the iPhone” (http://m.techcrunch.com/2009/07/27/apple-is-growing-rotten-t...) or requires its own rendering engine (http://www.afterdawn.com/news/article.cfm/2008/11/02/opera_m...) or competes with a profitable arm of Apple (http://m.lifehacker.com/5614752/grooveshark-iphone-app-pulle...)