There are good reasons for this split, as are there for and against digital zooming. On the positive, digital zooming can be useful to avoid post-shot cropping, and with setting the proper exposure and getting the right perspective directly from the viewfinder. Proper exposure, in particular, can be a pretty important win for digital zoom depending on the scenario.
On the other hand, digital zooming is nothing more or less than software-assisted magnification of the information captured by the camera, meaning detail is sacrificed in the process—especially if you go wild with it.
Here them numbers:
What do you think?