A. Subjective Reality" -- I don't think it means what you think it means.
B. "Functional" <> "Descriptive".
C. Their stated behavior appears perectly congruent with their stated beliefs to me (but that's just my perspective).
D. "Psychic abilities" <> "Snap your fingers and grow wings".
E. Proving something and understanding something in greater depth can both be very useful goals, but in any given situation, they may possiby be mutually exclusive, not because one has to automatically accept something as true in order to learn from it, but because focusing on proof, belief, and debate may be using the mind in such a way as to interfere with understanding --- sometimes it is helpful to learn and debate at separate times.