This is part of the license. It's not locked in the software. Who actually bothers to read EULAs anyway? Hell, more damage has probably been caused by publicizing this issue since now some people are going to pay more to feel safer, even though there's no way for Microsoft to actually enforce this policy since a trademark of good virtualization is that the thing being virtualized doesn't know it. I don't know why MS did this, but I severely doubt Bill Gates is hunched in his office, cackling maniacally over a defaced picture of Steve Jobs right now. With the move to Intel, Apple has become a hardware vendor, which Microsoft likes. I know there's been an adverserial relationship there, but I really don't see Microsoft trying to jack up the price of their product just to spite Mac users. That article is sensationalist garbage.