I’m Indian and learned a bit of German when I used to live in Frankfurt at one point. I used to travel to Switzerland often and take the ICE from Basel to Frankfurt quite regularly. On one occasion, as the train was coursing into Basel SBB station, the PA system crackled with the announcement in Schweizer Deutsch about the details of the train, destination, via, location of first class compartment, etc. A German next to me got totally flummoxed and also in a bit of panic since he was worried about missing the train before he could figure out where his compartment would come and run there before the train left. Seeing as how I was looking so relaxed, he asked me if I could understand a word of what was being said. Having done the beat several times, I had almost committed the announcement to memory and was able to tell him what he wanted to know. He remarked wryly, “What has the world come to if a German has to ask an Indian about what passes off as German language?”:)