Comment Re:Easy answers (Score 1) 305
There is a difference between having a locked door that the player can find a key for and open, versus a door that can never be opened.
In real life, there is no such thing as a door that won't ever open, so if you put such a thing in a game, you have created something that the player should reasonably expect to be able to interact with (by finding a way to open the door) but can't because you only put it there for decoration or whatever. This will lead to frustration when the player wastes time trying to figure out how to open the door. Unless, you've made it obvious that the door will never open by making it look fake, but then you've broken the immersion.