... windows:
https://www.theregister.co.uk/2017/11/13/munich_committee_says_all_windows_2020/
Quoting:
"Matthias Kirschner, president of Free Software Foundation Europe in Berlin, said "there were never any studies" pinpointing what people were "unhappy" about. It might have been the LiMux client itself, or perhaps the migration process or lack of support.
He said he was also not aware of a comparison of the unhappiness of staffers in cities using Windows.
A report (PDF) by Microsoft partner Accenture commissioned by Munich found the most important issues were organisational."
