Yes, Beth games are notoriously buggy, hell, most games are buggy out the gate. The good news is Beth know this and spend months fixing it, with patches. In a game of this size there are bound to be bugs.
Only Bethesda could make this game with it's huge, hand-crafted, open world. And when you create a world like that there are bound to be a few bugs here and there. Not sure what you're getting at with this...