Simple answer, No. Microsofts overall approach to licensing is complex enough that you have to be an expert in their license to even have an inkling of an idea

Simple answer, No. Microsofts overall approach to licensing is complex enough that you have to be an expert in their license to even have an inkling of an idea what is permissible and what isn't. The OS layer is just the tip of the iceberg. It's not immediately useful in and of itself without things like SQL server, IIS/Asp or whatever their web app layer is these days, etc. The would have to shift gears on pretty much every technology to make it worthwhile for a Linux/*nix stack developer to look in their direction.