Because of the double standard in culture when talking about Mesoamerican cultures which continue to this day among the uninformed which affects how people discuss Indigenous people.
People still call the Mexica Savages and believe racist Spainish propaganda.
The amount of white mans burden propaganda I see about indigenous cultures is infuriating when people in Europe where massacring each other for worshipping the same G-D in a slightly different way.
It's so funny reading the Bible and see Roman culture trying to defend itself from its obvious murder of Jesus by retconning it to blame the Jews.
Or it would be if it didn't lead to thousands of years of persecution of Jewish people.
It's like that in a hundred years people start worshiping the Lakota rebel Crazy Horse and twist history to where the US government was forced to murder him because of the Lakota.
It seems like a contemporary example would be people (Prager Edu is a particularly disturbing example) using selected quotes from historical anti-slavery activists and civil rights leaders like Franklin Douglas and MLK to criticize the modern civil rights movement