I consider all distinguishing characteristics between people or groups of people to be projections utilized by human minds to motivate and bring forth highly-ritualized purifying violence, which ranges in intensity from inconsequential name-calling to full-scale genocide. My best historical example of this from pre-modernity was the 13th Century Cathar Purge, where the War refrain "Kill them all and let God sort them out" originates, and continues forth until this day. Records point to a similar practice within the Aztec regime, with self-sacrifice a common action to sustain the empire.

Given the advanced bureaucratic practices common to empires in precolonial America, it seems the Aztecs simply required regular sacrificial deaths (via suicide or homicide) to maintain their office, in addition to regularly liquifying prisoners or the enslaved. Like a death camp which ran on self-motivated suicide, for reasons of cosmic accounting.