They know why, they have been so stubborn and slow with upgrades that the iPhone and now Android have passed them by.
I've made the arguments over on Crackberry before; many of us want a better browsing experience and a phone that is fun to use. Email is important, of course, but many of us can live with a 15 minute delay in email. If time is critical, we'll call or even SMS. We are tired of phones are damn near obsolete when released with minuscule amounts of RAM so we have to closely watch what we install. We are tired of battery pulls, memory leaks, and the occasional (but crippling) RIM data outages. We are tired of waiting for the "Tour 2" (Bold 9650) so you can have a trackpad and WiFi on a high end phone. Personally, I was tired of waiting for the "Storm 3" so I dumped my Storm and am not looking back.
But a 25 minute survey, that's too long. I'll have to see when I get mine