A case that deserves to be taken as an example of lobbying: the German city of Munich, which in 2003 started moving all desktop workstations to Linux, and by the end of 2012 reported a huge success with savings amounting to 11 million Euros, but in 2017 they announced they would migrate back to Windows, probably because of this: https://www.novinite.com/articles/155950/Munich+Set+to+Becom...