Many jobs that are vital to society have relatively low pay e.g. nurses or status e.g. refuse collectors so a group's status may be linked to how much power they have rather than their functional importance, Tumin argued functional importance is hard to establish, elites will attempt to preserve their power and privileges and place limits on the search of personnel, education itself does not justify a lifetime of far greater material rewards, the systems of social stratification encourage hostility suspicion and distrust amongst different groups