Anyone who's halfway serious about software development on Windows surely has make there too, and it's not like non-developers are the target audience for 'just' scripts
Not even remotely. I know it might be hard to imagine if you only program on Linux/Mac but there's a whole world out there that isn't built on janky shell scripts and Makefiles. If you use C# or Java or Visual C++ or Qt on Windows it's pretty unlikely that you'd have Make. It's kind of a pain to install and you don't need it.