I'd like to think that, but I am not sure if that's actually true.

It's hard to get real numbers, for sure. There's counts based on what the server shipped with, when those used to be bundled, which favors Windows. And there's counts of active servers on the internet, which favors Unix-like. Both counts are fundamentally flawed for various reasons.

I did, though, get a chuckle out of Microsoft's slide that showed more Linux instances than Windows ones on Azure: https://build5nines.com/linux-is-most-used-os-in-microsoft-a...