Apparently you've never supported the Palm Pilot mX Magical Pony Edition or you would not be saying such things.
Of the few POS that are still in service where I am employed - our team spends at least 6 hours a week supporting palms for their issues.
Users love them for their calendaring and contact lists and don't want to give them up for that.
Blackberry just doesn't have it yet when it comes to that in the users eyes.
Apparently losing data, duping data, not synching every other day, bursting into flames, and killing babies to a dark lord are all things they can live with in order to use those two functions.