Public Opinion Vs Overpowered Genocidal Waifu
Well, the Eternal Universe had more than 8000 years in the home universe, so using that logic, society as a whole should have had more than 8000 years of development in terms of legal and socio-economic issues.
In other words, even on Earth, in which globalization was relatively recent, such tricks were easily seen through by many people, though many others fell for it, sometimes willingly and sometimes not.
So theoretically, the Eternal Universe should have seen scenes from this playbook so many times by now that they were practically desensitized and could not be moved by it, right?
Well, yes… on paper.
However, the universe was made up of a small population of first-class pure humans compared to overwhelming numbers of second-class mixed-breed humans and third-class aliens who really did not like this class system.