Well, because Windows is not Unix. It's not even "not Unix" the way Linux isn't Unix. Its heritage is mostly VMS and CP/M, if you want to compare it to anything

Well, because Windows is not Unix. It's not even "not Unix" the way Linux isn't Unix. Its heritage is mostly VMS and CP/M, if you want to compare it to anything. Trying to treat Windows as a Unix is a very leaky abstraction that is going to cause many more problems than it solves.