There's such a deep seeded, systemic bias against linux that it actually can never win, to any degree or magnitude, because the moment it starts winning we just move the goal-posts for the flimsiest of reasons to ensure it can't quite claim that victory.
Linux is obviously and clearly the most popular operating system kernel on the planet. Oh, no, that's no good a measure, servers are messy, let's refine it to most popular consumer operating system kernel? Oh... it, could also reasonably claim that title? No no, no Android, that doesn't count. Nope, No Chrome OS either, you can't have that, that's, well, that is linux, but its not. Just nice, pure, desktop linux, yes, perfect, arch linux, kde desktop, that'll never trend up and thus is the perfect new-new definition of desktop linu--wait hold up, I'm getting word this is, not possible, its actually SteamOS? Nope, kill it, that's not desktop linux either, kill it.
excuse my ignorance, but are there any major developer tools that don't support Windows? I can only imagine some internal enterprise tooling doing this.
>Ultimately compatibility layers are good because they reduce developer workload so that developers can focus on what really matters
I don't mind them as a concept, but I personally want as few points of failure between me and my software as possible. Some software is already either overly bloated or buggy (or both) as is without wondering if there's now compatibility layer issues on top of it.
Semgrep is one that I use at work. Nix is another. Docker¹ is a third. Many terminal emulators support multiple operating systems, but not Windows.
Windows support also often lags for new programming languages. Golang didn't run on Windows at first. Crystal is only now starting to have full-fledged Windows support. Plus there are many tools that do run on Windows but work poorly or are extremely slow or require tons of compatibility shims, like Git and Emacs.
A lot of dev tools are Unix-first. You just probably use only a few of them if you work at a Microsoft shop.
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Not Docker itself at this point but 99.9% of all Docker containers that anyone actually uses.