Im not a hater, and im not spoiled...
I love this game then any other games (except for the upcoming diablo 3).
I didnt enjoy to play OB coz it was to complicated for me
For some reason ppl have forgoten that games supose to be fun and time spending...
Becoz this game is so fun i forget abouth the bugs.
I just dont mind it...
Skyrim has giving me a good play time after a hard day at work.
U guys want complexity? Try it ib real life not in-game.
Any way thats my huble opinion.
Try to look at the game my way and it will be more fun for ya

Well It's mostly because for some people the game becomes unplayable.

I've heard about the following:

so much lag that the game freezes.
Die every time because all the resistance is gone
fail to complete main quest because options do not appear

These are all game-breakers.

I don't care about the little bugs either, but these are major problems.

Hope this will answer your question

I'm sure Bethesda appreciates the sentiment, but a thread with a title of "How can u complain" is just asking for trouble.