This was my current employers on it, but long before I ever wrote for them even as a freelancer:
https://www.theregister.com/2006/11/20/microsoft_claims_linu...
Everyone covered it. It was THE big new story about MS versus Linux.
https://money.cnn.com/magazines/fortune/fortune_archive/2007...
https://www.engadget.com/2007-05-14-microsoft-linux-and-othe...
https://arstechnica.com/tech-policy/2007/05/microsoft-235-pa...
https://www.networkworld.com/article/2355239/microsoft-claim...
It was already a thing back in 2004: