The primary reason I even looked at a Mac, way back in the MacOS 10.2 days, was because there is a Unix underneath the pretty interface. I bought my first Mac and never looked back. Stuff like this is making me look at Windows machines again.
I'm betting this is the real end-goal of WSL. MacBooks were once expensive, but high-quality, grab-and-go unixy development machines. Now, they're mostly just expensive. When WSL matures, any commodity laptop will be a cheap, decent quality, grab-and-go unixy dev machine. It'll probably be easier and more reliable than installing Ubuntu directly! At that point, web and server devs will migrate en mass from Mac to Win…
And, of course, VS offers Android and iOS targeting in both C++ and .NET. The C++ info is here: https://blogs.msdn.microsoft.com/vcblog/2017/04/18/android-a...