I 100% agree that giving them fair wages shouldn't buy their vote. I'm disheartened that they will never question their vote for the party who took them away in the 80s and will do it again if they can.
To clarify - I don't think self-interest should be the only deciding factor in a vote, but it should at least penetrate as a factor. Logically, some of these folks would go "wow, thanks Biden, maybe Dems aren't anti- middle class after all" - but in reality, I'm not holding my breath.