A more appropriate analogy than a user guide would be finding Fifty Shades of Grey or Harry Potter on your kindle one day, because Amazon did a deal and decided you should have it, or perhaps having your copy of 1984 erased because of copyright violations. ++ungood.

A user manual is expected on a new device, having media on your device added and deleted by a corporation on their whim is not so pleasant, mostly because it makes their view of your true relation to them apparent.