[davidedicillo]

While it may not be directly important to the final users (if you don't count security upgrades between versions), it definitely impact the ecosystem. If you need to pick a platform to develop for, you go for the more homogeneous one from a OS point of view. Also enterprises invest more in devices that have a longer support life. They want to buy something that even in 2-3 years is fully supported by the manufacture.

[vetinari]

Enterprises don't care about device support life. They care, if the phone will survive for about two years. Then the employees will start bug you, that they want new gadget (I know, we have several hundred of them...).