>>515965685
It was a rallying cry that also set apart NS in the eyes of the people. At the time, the 2 basic conceptions everyone had were full on jewish communism, or capitalism which was mostly led by decadent aristocratic classes.
The socialist part was meant to say: We are not commies, but we are not elitist obese aristocrats instead and will take care of the common people. We are for the health of the nation, but not to the detriment of the people.