That's fascinating regardless of the topic! How exciting.

> Surprisingly, these claims are more true than false, though in no way completely true. There are some fascinating cultural mechanisms that enable each one. But they were also largely dependent on their society being extremely small and living in remote hillsides and only coming together for certain social events. Not very applicable to modern society.

Indeed - the Mayans might be worse at culturally-mandated obsidian daggering of people, but at least they don't have microplastics!