the core objective of brainwashing is to eliminate the ability of people to learn by anchoring fear using skinner/pavlov techniques to associate thinking with pain

once their effective IQ drops below 83 they cease to be worth doing business with

also, as well as dupes, the psychopaths also have this kind of intelligence limitation and psychopaths who are so evil they only have equal to 83% of average intelligence remaining for non-deception are also extremely dangerous