Hey, Marx mentions the DUmmies.
The “dangerous classâ€, [lumpenproletariat] the social scum, that passively rotting mass thrown off by the lowest layers of the old society, may, here and there, be swept into the movement by a proletarian revolution; its conditions of life, however, prepare it far more for the part of a bribed tool of reactionary intrigue.
...and we know what Stalin, Mao, Great leader, etc. do with them.