I’ll be honest, I didn’t read the whole thing. But I did try to find a section supporting what you say, and sure, it talks about affective polarization, but it doesn’t show anywhere that this leads to people voting irrationally in the sense of voting against their own material interests, as far as I can see. Is there any section you’re referring to specifically?
Crazy thought, really really outside the box lateral thinking type shit, but how about paying them a living wage instead? Seems to work for other industries. I’m not tipping my welder.