These statements that the Democratic Party does not listen to the working class are nonsense. For decades the Democratic Party has been trying to enact pro-worker and pro-consumer legislation, but these measures have often been opposed by Republicans.  Working class voters who are non-white strongly vote Democratic because it is in their economic interest to do so. If white-working class voters continue to vote Republican, a party that essentially has income inequality as a campaign promise, then they shouldn't be surprised at the outcome.