Not actually trolling, as I'm balls deep in this project, but being a Morrowind virgin more or less, I have to say that after reviewing the interiors for the game, it looks boring as hell!
Did people really find it fun wandering around empty rooms? Doesn't seem like there is much to do, and most of them look pointless. I'm crossing fingers that the dialog is outstanding, at this stage I cant find myself having any fun wandering what seems to be the same blank corridors and rooms for hours on end.
Do people have rose colored glasses on when it comes to the game? I feel like somebody should have told me that interiors are cookie cut from templates!

Real-world stuff isn't a flat
Real-world stuff isn't a flat-out problem, but it's also not much of a positive either. IMO, It breaks away from the fantasy-nature that lies in everything else around you, the escapism of the game. There's a difference between looking at floating netches fly by you in a serene moment, and looking at deer and rabbits in a serene moment. Are they both serene? Sure, but one I can also do in real life (and honestly, would almost rather do in real-life). For a fantasy game, IMO the less of that, the better; it should take you to a new place, not emulate one you can pretty much already see.
Your point that the other provinces are different and should be treated as such is sound and correct, but I guess since Morrowind was my first foray into TES, it kinda spoiled me on how different it is from real-world.