It's the old adage, "conservatives think liberals are stupid, liberals think conservatives are evil."
[1]: One example: https://twitter.com/CawthornforNC/status/1323813315169165313
Or they don't understand that their proposed solutions don't sound likely to solve the interests.
Why do poor republicans in the US keep voting against universal healthcare?
Overall, if you define working class or poor economically, they are more likely to vote for those things.