But that is working from the assumption that we she is advocating an "ENTj philosophy." It may be possible for her to be an ENFj arguing for an ISTj sort of view. I just know that most people who I have seen try and type her, do so with the intention of trying to keep her out of their type and quadra. So maybe if you could find a type that will usually like Ayn Rand, we may have a better starting point.