The immigration angle is bait and switch politicking. Has been for decades.

People feel economically stagnant and culturally disconnected.

Couldn’t be the capitalist machine grinding you to dust while gnawing away any sort of social institutions or greater visions than “line goes up”. It’s clearly Juan or Abdul who are scrabbling to send a few dollars or Euros to their family. Excluding them is gonna roll back the clock to when a single worker could get a no-degree factory job straight out of high school and raise a sitcom-style family of four, you know!