Probably because of the curse of perspective - that is, that funny sensation that others just must have the same point of view as I do, since it is so blatantly obvious - I tend to read Karnofsky as if he was just the elected sacrificial goat, the person that ended up having to pretend in public to be of an opinion everyone agrees is important someone sustains, but no one is in position or willing to pay the cost of actually sustaining it. Chalmers espouses a theory of consciousness that seems to fall short of his gargantuan intellectual capability in papers about anything else, perhaps - some say - to foster that other smart people tackle the problem of consciousness head-on, and eventually someone comes up with a good way to formulate it etc... Same goes for Karnofsky. It's hard to believe he believes, but I understand his fundamental role on the ecosystem, and am glad that his position is as well defended as it is. - The curse of perspective, like the curse of knowledge, can make us very patronizing, unfortunately.