I guess this is psychology rather than ideology. Once you've realized there's another world where there is noone easily blamed, because there's no scapegoat corporation messing up the software for marketing reasons, everything becomes calm.
With
#opensource products, there's no obvious vent like in
#blameware (I coined that term a decade ago).
It might be interesting to see a study that compares the personality profiles of happy OSS users to happy MS clients or Apple fanboys. 8/