Hating a minority is a theme showing up in politics, every time a society had a downturn.

Jews were scapegoats, they were generally seen as greedy and thrifty. So when the economy went to shit, the workers blamed an ethnic group associated with being successful business people.

The hate for Muslims went up a lot in the aftermath of the 08 crisis. Although the reasons for problems tends to be greed among the elites, they also tend to control the narrative. And will throw a minority under the bus to save themselves