Running Windows on my desktops and Linux on a couple of headless machines, creates a bonus side effect:

Far too often, some fanboy claims that his OS is the only true OS, and let's us know that he's permanently upset about life's greatest injustice, which is the fact that some people out there have chosen a different OS. So, running Windows AND Linux, creates the pleasure of always being one of those who run a different OS than the fanboys.

So, if you're an OS fanboy, it doesn't matter whether you run macOS, Linux or Windows - I will always have at least one machine running the *wrong* OS.
<evil laughter> https://youtube.com/watch/...