“The French Interministerial Directorate for Digital Affairs (DINUM) […] has announced that “it will leave Microsoft and move towards a free operating system that should be based on the #NixOS distribution”

https://www.april.org/en/free-software-will-dinum-trigger-meaningful-change-french-state

Since NixOS systems are easy to reproduce and compose, I think there could be a tipping point where it becomes very easy for others to follow :)