Smartphone OS User Experience Shootout

Pfeiffer Consulting compared all major mobile operating systems regarding their user experience: iOS 7, iOS 6, Android, Windows Phone 8 and Blackberry 10.
Have a look at their full report here:

They have a rather scientific approach, so the result is probably quite objective *. But since experience is always subjective, some of you might disagree with the result.

Also, since most people are comfortable with smartphones, does user experience still matter that much or are features more important to you?

* There are some inconsistencies in the report.