[dekhn]

I know what the reason is. I don't care. I use GPLv3 and have no interest in an OS that doesn't. You can run bash on windows or compile it yourself on any platform. microsoft even distributes it with windows.

[Firehawke]

Not strictly correct. It's provided by whatever WSL distro you download, and that download comes from the distro as opposed to Microsoft.

[nonamenoslogan]

Compile it yourself on MacOS, problem solved. Or install it with Homebrew?