Earlier quoted context omitted.
Especially when manufacturers and vendors start selling devices with different Android versions, as they are now. Someone that physically breaks their Motorolla DroidX running 2.2 and buys a replacement Samsung Galaxy that runs 1.5 (now 1.6 I hear), and then realizes that the majority of the apps that they purchased aren't compatible with the lower version of the phone, and that the phone has a terrible UI (compared…
If they downgrade from a DroidX to a Samsung Galaxy, and it sucks, are they going to blame the OS or the phone? Put another way, are you more likely to hear "My phone sucks" or "This lower version number of the OS I was previously happy with sucks"? The market will drum out the bad apples who try to leave their Android phones stuck at ancient versions.
Ironically, now Linux support way more devices than Windows, and let you do things that no commercial vendor is going to let you do(e.g I have used an old scanner as spectrogram with very little money).