I mean it's sort of been over for Microsoft for a long time now, though to many non-IT folks it may not be so apparent.
I remember when 90% of web servers were IIS. And MS Exchange was every corporate email server, running on the 90% of servers that were Windows Server. And every laptop was a domain-joined Windows NT Toshiba or Dell.
Now even Microsoft runs their web services on Linux servers. No dev who is not forced to at gunpoint uses a Windows laptop. You'd be hard-pressed to find an SRE or DevOps hire who could confidently explain how to stand up and manage containers on a Windows Server host. And they'd probably walk out of the interview if you even mention Powershell or WMI.
The article is a bit late to the game, because Linux already won.
https://commandlinux.com/statistics/server-os-market-share-windows-vs-linux-vs-bsd/
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