Unless your business requires software which only runs on Windows, and using cygwin allows you to do a lot of things better on Windows, and lets you do a lot of

Unless your business requires software which only runs on Windows, and using cygwin allows you to do a lot of things better on Windows, and lets you do a lot of things cross platform that would be a waste of time to implement two ways. I'd be more inclined to agree with you if you'd ended that statement with "... designed for Unix, perhaps you should consider whether you should be using Windows in the first place". There are a lot of people out there that have to use Windows for a variety of reasons, but are glad to be able to do some shell-related things on it in a unix-like shell.