Take Apple selling phones in the UK. Is the money made in the UK, where the phones are sold? Maybe part of it (selling phones), but Apple enjoys a large premium over Android, and that's more debatable. Was the money made in Taiwan, where iPhones are made? Or in California, where iPhone was invented? Personally, I don't really see why UK would tax Apple more than Android makers, simply because Apple (from California) was more inventive... while the profits were realized in the UK, they weren't created in the UK.