Oh 100% absolutely. As SOON as I heard about that, I was like… yeah, it will constantly be a zone we’re in the middle of saving and never an actual, functional city.
In a way, they can’t. Since at least Cata, Blizzard has been shoehorning all players into Stormwind and Org. (Of the original cities.) You might notice all other faction main cities (Darnassus, Exodar, Silvermoon, Thunder Bluff, IF, and Undercity) lack any of the main-city-functionality created post-Wrath. I don’t see them stopping doing that anytime soon. They need to force the players into a smaller area to make up for there being fewer of them.
The sad thing is, if they didn’t make a big deal about destroying Undercity and Darnassus, it likely would have taken me at least a year or more to notice they were gone. Mind you, I preferred Darnassus (and Thunder Bluff on hordieside) but it just was too inconvenient to have my characters “live there” when literally everything I needed for new expansions was in Stormwind or Org and that was it. 