I wrote the article. The legal threats I cited were not and are not a fabrication.
I did not write these other articles covering it:
https://money.cnn.com/magazines/fortune/fortune_archive/2007...
https://www.mercurynews.com/2007/05/15/microsoft-says-linux-...
https://www.computerworld.com/article/2566211/study--linux-m...