Based on what? Again we’re just throwing eventualities out there with no basis in current reality.
People are pretty good at understanding English in Norway. But the only factor that introduces English into the conversation is when someone does not speak Norwegian. In my experience.
People are extrapolating from the fact that people use English-borrowed slang to these far-fetched scenarios. Yeah? Slang and words have always been borrowed. Not even medical doctors speak Latin to each other.