There had been two rather harmless looking things involved, but combined it caused a disaster.
1. Patches sometimes break the program. This is not news to anyone who ever downloaded a new patch for Microsoft Windows. People find out about it, and delay getting the patch or undo it until the next fix. It's all good.
2. DRMs and DRM exploit removal are applied via patches. This requires that the customer be forced to apply a patch as soon as they load the game, or as soon as they get online. Further, the patch must be irreversible or it defeats the purpose of DRM. Makes sense, regardless of what you think of DRM.
But what happens when you have 1. and 2. at the same time?
You get a game that installs a patch that breaks the program, does it by force, and is irreversible from the user's end.
In short, patch bugs are now as impossible to avoid as DRM, because patches themselves are treated like DRM. It is now considered important that every Skyrim customer deliberately break his own game by downloading the patch 1.2, or disconnect from the internet all together. (In Steam it installs the patch automatically unless you play on offline mode).
Too bad, if a Skyrim customer wants to play a multiplayer game between Skyrim sessions.
Isn't DRM great?