Yes. Nothing makes competitors look better than when old-standby's make long-time users feel betrayed or abandoned!
The "AppStore" concept is great for Security, by the way. "NO virus ever gets in because no application or download is allowed except thru the App Store."
Except... uh... do we REALLY want this? The great benefit of DOS-Windows has been the "Wide Open Spaces Of Programming" and "Programming without Jobs-ian Cultification (and paying them, too)" - the whole "outside the box" mentality of DOS Windows programming remains the big attraction.
Since Windows is going schizoid ("Am I a touch-screen OS or am I heavy into memorized keystrokes that can't possibly be duplicated on a touch screen?"), users can also wonder, "So, when will all of my memorized keystrokes be abandoned for a new set?"
After all, Microsoft HAS changed keystrokes. "New Folder" used to be ALT F F (Win95's 3 versions, Win98's 3 versions), then it became ALT F W (Win2000). And there have been several others. Win8's demands to memorize new keystrokes for productivity ("Wait! I thought this was touch-screen-centric!!") is only going to last until Microsoft changes those around.
And they will. Probably not in the next OS, but within 2 or 3, we'll have some new keystrokes that are now "better".
All I can say is, "I always liked WordPerfect far more than WordStar."