Mapping was one significant advantage Android had over iOS. In fact, probably the most significant advantage that didn't boil down to a preference one way or the other--ie widgets.
With iOS6, Apple is both fixing that gulf (by implementing the features Android has had for a while), making it easier for them to iterate on mapping later (by moving to their own technologies rather than being limited by Google), and introduced a few unique tweaks that might make Apple's implementation the best.
So, looking at this objectively, you don't understand why that would be a bullet point?
The previous application did, and it'd be a pretty huge step back if this one didn't.
Thanks for the answer. I only ask since that was Google maps I believe, and this new nav is all Apple's. Its not a complete deal breaker as I only.visit NY twice a year, but damn does it help when I'm there.