Therefore, assuming only that Mr Kalk is American (and not just writing from Texas), his letter stands as anecdotal evidence for your original assertion: he clearly assumes that he is right.
Consequently, permutation of different mental positions, consideration of various groupings of our individual values rather than an indivisible whole, and diverse ideas of rightness provide a richly nuanced myriad of options rather than the polar pair of opposites that Mr Kalk incorrectly suggests is exhaustive.