It seems like there was a lot of work done on the animations. They were kind of cool for like five minutes. Then I had to turn them off. You can do this too with win + u, turn off unnecessary animations.
After a while, it seems that changes happen for the sake of change. People complained about the ribbon too. Sure, 2013 is ugly as sin. But hey, so is your mother. (I'm kidding)
I think there was a big scramble, at the end, to get the thing to work on ARM. Many of the resources that would have gone into making a good product when into something that simply worked.
I would wait for SP1 before giving a final verdict. Anyways, it looks better than MapPoint 2009.