"You have zero job experience, no marketable skills, little education, but, for some reason, are not the CEO of your own business. Democrats: you should be. You're not because the system only rewards people who don't look like you."
You're blaming the Democrats for people still believing that the American dream is a reality? Laughable.
Additionally, the author is talking about that behaviour in Trump voters who are notably light on Democrat supporters. Not without them, of course, but there are far more Republican-supporters with those grievances voting Trump.