[citation][nom]house70[/nom]one needs Zune to upgrade one's phone... just like one needs iTunes to upgrade iphone. Recipe for failures right there. The more intermediary steps you add to a process, the more chances the process will fail at some point. It's elementary. Imagine your PC requiring another server in your house and another program running on that server in order to apply any updates. Nightmare.[/citation]
Requiring another server in your house and another program running? It almost sounds like you are describing server-size patch management, used successfully, daily. Microsoft WSUS? Symantec Altiris? Just a couple.
Yes, this is an end-user solution for end-user instances of WP7. That is not to say that server-side patch management is a bad thing, as your post suggests. No elementary at all. Not a nightmare.