[Gallagher]

Yeah, the disbelief comes in when the story itself, or the characters within it, start breaking the rules that have been set so far. When something suddenly happens that the rest of the story has been telling us shouldn't happen. That's when you get into dangerous territory where things need to be explained in a way that makes sense.

And generally, when it comes to language or settings, it really is as simple as being consistent. People want to enjoy stories. Most of them aren't gonna pick out the language choices unless something stands out as blatantly unfitting or incorrect.