Why bother? There are still around 20 million Windows XP systems in Germany, many of which are no doubt being used in Munich. Beyond reducing the amount of electronic waste, security may well be a factor.
The German government has shown before that it’s keen on making its citizens aware of the risks of running outdated software. You may have read an article or two over the past couple of years about German citizens being urged to ditch older versions of Internet Explorer for a more modern, more secure browser.