I’ll admit I was rather ignorant growing up and the first time I had a conversation with someone and I pronounced Iran as “I ran” everyone roasted the shit outta me and shut me down, which like fair whatever. But my point is the pronunciation is secondary if you get the concept; that’s kinda the point of language and accents in general. If we have to pronounce every country or place as its residents call it then we should roast and ignore every English speaker that says “Germany” instead of Deutschland.
So as a Serb I’m wrong when I say Nederlandi instead of Nederland, Mađarska instead of Magyarország or Francuska instead of France?
I don’t think that is what they meant. The only one of those I think that comes close is Nederlandi. Using Mađarska is not the same as using Magyaroszag but pronouncing it Magaroša or something like that.