Copyright is a set of exclusive rights granted to the author or creator of an original work, including the right to copy, distribute and adapt the work (Wikipedia). Google is adding a new right: the right to exclude you from configuring your device the way you want.
Google is excluding jailbroken (rooted) Android phones from accessing the pay-per-view YouTube channel, you won’t be able to play the streamed file on your own device.
Google – the vendor – and the studios – the rights holders – are using copyright to control something much more profound than mere copying. In this version of copyright, making a movie gives you the right to specify what kind of device can play the movie back, and how that device must be configured.
via Cory Doctorow Google’s YouTube policy for Android users is copyright extremism