I didn't play The Witcher for ages because of reports of bugs in the initial release giving it a bad reputation, they'd been long fixed by the time I actually got around to playing it and that's another awesome game, but what I remembered of it was that all the reviews when it came out focussed on the bugs, those reviews were still there in black and white long after the bugs had been sorted.
The opposite was true for me. Searching the net to see if the game was buggy, I read a review on the release of the Enhanced Edition of that game, which went into great detail on how the many bugs were fixed and what a great experience it was - convincing me to buy the game.
Great fun that one, if not a bit linear for my tastes. But you’re right, since reviews aren't generally updated after each patch, that bad press is out there forever.
My first twenty-five hours of F:NV were a bit different than my last five. First 25 I would have told you this game was, minor glitches and save game anomalies aside, nearly bug free. Recently I’ve gotten increasing freezes and crashes, sometimes several times in the span of a few minutes, and the same graphical glitches I’ve seen throughout the game – usually involving NPCs stuck in walls, radscorpions moving half way in and out of the ground like some lethal submarines, that sort of stuff.
Good game? Certainly, a very good game.
Glitchy? IMO, without question.
Glitchiest game of the decade? No. SimCity Societies was.
Edit: pc version.