Well they do that because democratic socialism focuses on well-being of the populace rather than well being of the few but admittedly they are fairly toothless as their policies revolve around tax collection rather than the required restructuring of industry that would comprise a socialist system.. a democratic socialist can only really affect policy through tax code.
Someone correct me if I'm wrong.
Americans need to suffer more. Especially the working class. They can only blame immigrants for so long.