Earlier quoted context omitted.
Except it isn't - you need to consider the costs of not just Windows, but all the software surrounding it. Photoshop licenses, Visual Studio licenses, Office licenses, etc. Even at business rates. Per workstation, $3000 can be an underestimate. Meanwhile, using Gimp / Krita / LibreOffice / kdev etc and, at the scale of a city like Munich, just having a dev team to fix the localized problems the city has in the softwa…
As I mentioned common open source productivity software runs on Windows. That includes Gimp, Emacs etc. - not that I believe that Munich is rolling out 14000 development/graphics boxes. The comparison does not appear to be between equivalent specifications. It's assuming that Windows requires Office. That's simply false.
If you're not using Office or other Windows-only productivity software, why pay the Windows licensing fee?