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I'm going to focus on this paragraph because I think it is the most flawed. The industry doesn't let them "get away with it" because they sell so many games they "get away with it" because the game has more content than anything out there. The reason they get praised is that they give you so many ways to play the game that it would be IMPOSSIBLE to create a bug free game within a reasonable time frame.
At least in my opinion there is not a single game out this year that comes close to the amount of single player content that Skyrim ships with. Here's a breakdown of some of the longer games out this year and how long it took me (as one person) to complete: Arkham City (All trophies, minus some of the challenge maps) ~50-60 hours, Dark Souls ~100 hours (all trophies, NG+++), Dead Island (All single player achievements) ~100 hours. I have over one hundred in Skyrim and I haven't done the College of Winterhold quests, the Dark Brotherhood quests, the Thieves guild quests, the Blades quests, the Bard college quests or the main quest. I can easily expect another 100+ hours. That's why Skyrim should be in the running for Game of the Year, the shear amount of content one can access. So it has some bugs, that svcks but it has to be expected. The fact that it works as well as it does with so many random variables is an achievement in itself. That's my 2 cents.