Totally agree with you about dropping the need to justify consciousness in terms of quantum mechanics. Consciousness stands on it's own two feet.
What I'm having trouble with is this notion that simply because his teachers are skeptical of studies relating the two, they must have not experienced higher states of consciousness. Sam Harris, while being somewhat of a rationalist, has lived abroad in India, where he studied meditation with Buddhist and Hindu religious teachers, including Dilgo Khyentse for several years. As witnessed in the videos I posted above, he too is skeptical of these claims.
I think it's a bit shortsighted to conclude those who don't agree with us haven't been exposed to the same teachings or experiences. That they are somehow of a lower spiritual echelon / level of consciousness.