Aren't prevalent negative mentalities and rigidity towards honestly recognising animal sentience and being sorry for causing rape and suffering a clear sign of a sociopathy in human behavior? Research has attempted to look into the Dark Tetrad of Self Interest, composed of Sadism, Narcissism, Psychopathy and Machiavellianism with respect to non-veganism very limitely. Upon further introspection and interactions with non-vegans the links to the Dark Tetrad become really obvious in daily observation meriting further attention into the same. This series of articles elucidates the above.