I would like to emphasize that the people who post (and read) these forums are not typical consumers. In my experience (as a technology consultant), the average person doesn't even use turn-by-turn navigation with dynamic routing on their mobile phone.
While I previously believed that many people do use turn-by-turn navigation apps (as I previously lived in Silicon Valley where such is common), I now know that most people don't use such features even on Android-based smartphones. I regularly meet people who have had smartphones for some time who are unaware of Google Maps with Navigation on their Android-based smartphone or Navigon, TeleNav, Waze, etc. They are unaware of Google Street View on their smartphones as well. I usually recommend Waze and get many compliments for suggesting Waze. According to Matt McGee of Search Engine Land, 50% of his Twitter followers were unaware of Google Street View on the iPhone as of 30 January 2010) (although Google Street View was introduced on the iPhone in 2008).
Google Street View has a purpose. Apple 3D Flyover has a purpose. I suspect the average consumer will be pleased by the addition of voice-enabled turn-by-turn navigation with dynamic routing and will accept the consequence of losing Google Street View. The average consumer will be more than satisfied with Apple Maps even if they occasionally must refer to one of several Google apps to accommodate similar features and functionality on Apple Maps.
Here is the high barrier for Google Maps and Navigation on Apple iOS (with the introduction of iOS 6):
Currently only Google Earth is available though Google could easily provide more features and functions or replace the app entirely but
Not the default Maps app
Not voice-enabled (at least not as integrated as Siri)
Navigation is not provided
Commuter directions are not provided
Traffic information is not provided
Search function doesn't automatically provide feedback (must push the "Search" button)
Panoramio Photos in Google Earth are no better than Yelp images
Labels are difficult to read in Google Earth
Scrolling is not smooth
Business listings are difficult to see
Apple is not finished with Apple Maps. Apple Maps will almost certainly improve even after iOS 6 is released to the public. If Apple enables the existing (but hidden) Panoramic Mode in the iPhone, Apple could potentially rival Google Street View within one year by enabling consumers to capture imagery. Alternatively, Apple could offer to purchase Nokia's NavTeq (including Nokia City Scene) to provide Nokia a much needed cash infusion with a perpetual, non-exclusive, worldwide license back to Nokia.
*Fixed the date of Matt McGee's survey to 2010 rather than 2012 as previously listed
Edited by MacBook Pro - 8/30/12 at 11:42am