There is no doubt that mesoamerican peoples engaged in a lot of warfare. That's not to call them "bloodthirsty heathens" or anything, but it does demonstrate that psychedelics aren't going to always going to have an attenuating effect violence in nations, which it seemed to me was what you were trying to say.
The Spanish certainly portrayed them as heathen animals and, supposedly, the Aztecs
were barbaric. But the Toltecs, who the Aztecs overthrew, seemed to have been an advanced civilization. The worship of Psychedelics came from the Toltecs.
Teonanacatl ("God's Flesh" - Psilocybin mushrooms), and
Peyotl, ("Divine Messenger") were Nahuatl (Toltec) words.
This is from "Empiricism and Magic in Aztec Pharmacology" by Dr. Efren del Pozo, Professor at the National University of Mexico:
"The Aztecs were a nomadic and primitive group that arrived in the Mexican Valley only two hundred years before the Spanish Conquest. They had been conducted and governed by a witch called
Malinalxochitl, and later on by a warrior,
Huitzilopochtli. They encountered in the Valley of Mexico human groups, the
Nahuas, of much higher cultural development and with a religion based on spiritual values inspired by the great
Quetzalcoatl, a god or perhaps a man full of wisdom, who gave to the
Toltecs codes of ethics and love for art and science. All the
Nahua groups settled in the Valley of Mexico, inheritors of the old
Toltec civilization already disappeared, had a great veneration for
Quetzalcoatl, god and man, father of knowedge and morals.
Human sacrifices, the horror of Aztec Society, were not practiced among the Nahuas before the Aztec arrival.
The incongruity of a well-advanced culture with high moral principles as taught by the
Calmecac or Aztec College, and brutal ritual butcheries, are to be explained by the merger of two different thoughts. One, the Toltec, spiritual and learned; the other, the original Aztec, magical, bellicose and imperialistic. The Aztecs brought under their command all the
Nahuatl groups through wars, treachery and terror, but took advantage of all the knowedge and cultural development of the conquered nations. They adopted the
Quetzalcoatl title for their highest priest, paid devotion to
Quetzalcoatl teachings and myths, and kept great respect for Toltec traditions."
