I see what you're saying, and grant that it would be neat for the users. But I doubt any company would allow it, since it immediately becomes a support nightmare, with users lying about what they had or hadn't done. Having done support, I would run screaming from such a scenario.
> iPhone and WP7 will be more secure as there are standards in place. It doesnt mean they will be fool proof...
When Man invents something "foolproof", Nature (or the market) invents a better Fool. :)
I can see a company doing that. All they need to do is say...run this wipe and load to bring your phone back to factory condition and call me if the problem still exists.
Heck google can take this idea and sping it the other way. You love your freedom, but we know there are bad things out there...opt in to the google cloud and we will control all that for you. Sure you will be limited on what you can do, but you will get safety in the process.
Same thing governments do to steal our freedoms. They promise security if we sacrifice a little freedom.