Now that I know the purpose I can reverse engineer it.
If we’re assuming a low-trust group, then defection from prisoners’ dilemmas will be the norm. You can’t incentivize or disincentivize cooperation by definition (it is no longer “cooperation” in that case). Long-term behavioral training is very expensive, particularly when you’re starting with multiple defectors who will reinforce each other’s gangster assumptions, and low-trust societies are generally quite poor relative to average IQ (see: Asia vs. Europe, pre-modern era).
Blacklisting behaviors in such a society is untenable, because low-trust people will find workarounds more quickly than authorities can crack down (the required level of enforcement would quickly genocide of the citizenry). Therefore, the remaining options are to 1) whitelist behaviors, 2) determine criminality through means other than actual criminal behavior (e.g. caste, random selection, psychic woo), and 3) deconstruct the concepts of law, crime, and punishment into abstruse nonsense.
Policed conformity is the extent to which option 1 is chosen by the movers and shakers in any given society. So NPCs may be defined as a phenotype specialized for low-trust, totalitarian societies, and by extension the Neurotics from Overwatch Theory serve as enforcers of the whitelist. The reason these regimes are typically thoughtless is that “doing nothing” doesn’t usually make the cut for the whitelist, and thinking is indistinguishable from doing nothing. “I don’t pay you to sit and stare out the window, I pay you to innovate!” It’s entirely possible that a totalitarianism with mandatory periods of doing nothing would be somewhat viable, but that isn’t a very likely scenario.