In some countries, law enforcement uses race to profile suspects. This use of racial categories is frequently criticized for <answer>perpetuating an outmoded understanding of human biological variation</answer>, and promoting stereotypes. Because in some societies racial groupings correspond closely with patterns of social stratification, for social scientists studying social inequality, race can be a significant variable. As sociological factors, racial categories may in part reflect subjective attributions, self-identities, and social institutions.
Why is using racial categorization for profiling often criticized? 
perpetuating an outmoded understanding of human biological variation