In his book Consciousness Explained Dennett writes "Anyone or anything that has such a virtual machine as its control system is conscious in the fullest sense" [p281] referring to a Joycean machine which (if I understood correctly) may be implemented/simulated by a Turing machine.
Suppose I define Qualia as that thing which will always be left out by any implementation/simulation of consciousness by a Turing machine.
So it seems Dennett believes that Qualia defined in that sense does not exist.
The surprising thing to me is that most of my friends insist that no such Qualia exists, and they are all intelligent, and often software developers, who I expect, are supposed to know something about the nature of computation, even if only intuitively.
So far I failed to make even one of them realise that there is something in their inner experience that cannot conceivably be reproduced/simulated by a Turing machine.
They are in good company, BTW; here is an amazing "Closer to Truth" interview with Marvin Minsky where he explains away qualia: https://www.youtube.com/watch?v=SNWVvZi3HX8
Note I am NOT interested in any arguments for or against physicalism, idealism or dualism.
I am curious as to why so often non-philosophers, but nevertheless intelligent people who are supposed to know something about the nature of computation, insist there is nothing in their inner experience which cannot be reproduced/simulated by a Turing machine.
And my request is for references to discussions of this curiosity by philosophers, if such discussions exist.