Summary: Anyone can check StatCounter for the start of a month (June); for particular countries (e.g. for Turkey and for Poland) and globally/in general (no 'stable' data yet) the data indicates another epic collapse for Windows
We have some reasons to suspect that one of several parties (possibly not in the UK but having connections here), having suffered major and very expensive setbacks, may look to harm the messenger one way or another
Could the FSF not find any law firm that, in addition to talking about or for Free software, does not use .NET, OOXML, and almost everything Microsoft?