That way to look at it is just stupid. Apple wants to build a better software with TBT, vector maps and flyover. And they succeeded pretty much already. There is no way to get this completely right in the small amount of time they had, but leaving Google was a necessary step in offering us those features.
This sums it up much better:
"... Apple is discovering that mapping is one of those thankless tasks: people don't thank you when it's right, but criticise you when it's wrong. And getting it right, in a timely fashion, is extremely difficult and expensive."
About correcting POIs or other problems, people feel like it is some personal insult if their reports get not fixed, but they need to understand it isn't that easy. Apple has to develop an infrastructure for that and with the bigger button in 6.1 probably they did a step in that direction, as obviously the button size is not a meaningful change in itself.
I see changes in my area, even two I submitted, but I believe it is rather coincidence and the changes were reported by the respective companies at the same time.