Re:The Birth of New Spain
by dgut on Tuesday July 21, 2020 @11:00PM
(#23913493)
That was after the Spanish authorities were kicked out of that region. The New Laws and Laws of the Indies, which had been in place for nearly three centuries by then, forbade such actions.
https://es.wikipedia.org/wiki/Matanza_del_Salsipuedes (There's no English article unfortunately)