It's previously been used against women, Jews, Muslims, gay people, gypsies, communists, any number of groups. Give the people a group to hate so they don't start side-eying the small minority who have everything while the rest of us work and starve.

Outrage is also preferable because angry people don't think rationally. Eventually they get addicted to dopamine from outrage and therefore want to stay angry. We are here.

To be fair, there is this tiny group of people who are responsible for a lot of terrible things in my life, but they never seem to get punished. They might temporarily get voted out, but they keep coming back.