Stigmatization: a dynamic process in which a group imposes and maintains the inferiority of human nature on another group. It stereotypes the group's biased negative characteristics, thus masking other characteristics and becoming an indicator corresponding to the group's characteristics in an essential sense. In this process, the most commonly used strategy of the strong and non stigmatized party is labeling.
Which of the following phenomenas does not belong to stigmatization?
Public security in a city is deteriorating day by day, and citizens complain that it is the evil result of migrant workers flowing into the city