Open the Door
Surely this is only the beginning of the end. This fairly benign DRM regime will expand to eventually block all manner of activity that rightsholders consider threatening.
I can easily see a day when visiting the Pirate Bay would be pointless because the underpinnings of the Web will make it impossible to download using a torrent, or at least a torrent without a corporate seal of approval.
I've no doubt that new ways will be found to circumvent new restrictions, but slowly but surely you'll see end users give up all control over what they view and read.