This means, 'you cannot install OS X on a non-Apple machine, period.' Now, let's look at this: You have a Mac and install Windows on it. The first question is, 'is this machine Apple-hardware?' If the answer to that is no, then both the OS and subsequent layers are irrelevant. This is how one should conceptualize the matter: Native Hardware -> Native OS(es) -> Virtualized Guest(s). Like many others, you're grossly misinterpreting the definition and process of the installation of an OS on a machine. You need to read the EULA more carefully.
