Yes, I certainly understand the difference in Germany, and I see my short rant did not really make the distinction - as Dougie did so well - that this particular case is NOT "political correctness" - I hope my brief, hasty words didn't trivialise. But with private use OK in Germany, everything is at least practical for modellers.
Outside of Germany, I do see Pat's point - the flag of whatever country is for the snapshot in time, not to promote that regime/politics. Different of course with Germany and this particular flag, and perhaps some other intense, semi recent topics.