Microsoft employees and Microsoft-sympathetic bloggers like Alex Brown are hopping on Alan Bryden's dismissive remarks of denial [1, 2, 3, 4] and use these to clean their own consciousness out in public. They try to pretend that they don't know what happened. It was a similar story and a case of rewriting history just a fortnight ago when Bill gates was preparing to leave [1, 2, 3] and play politics instead. It's totally missing the point.
In any event, here is a new video explaining the importance of ODF. OOXML was nothing but an attack on ODF and its goals. It was reactionary. ⬆
From what we can gather, the tram ticketing system does not use Windows; we never saw it crashing or rebooting (or showing some Windows logo) in decades, so we assume it runs some kind of Linux
