That was true in the time when Munich went Linux yes.
It's no longer true. There's a huge public moment to move away from all things American since Trump and his tariff wars and putting NATO at risk. A lot of people I know are now factoring this in to their purchasing choices and there's a lot more empathy for employers changing things.
Well the Bavarian State has just tried to give Microsoft a huge contract without tender. But the governing party there is known to be quite susceptible to "Lobbying" and enriching themselves