Exaggerating ethnic stereotypes can indeed cause social problems, because such behaviors can: -Deepen prejudice and distrust between groups -Promoting discrimination -Intensify social differentiation -Cause ethnic conflicts in extreme cases There have been many cases in history where ethnic stereotypes have been manipulated with serious consequences. Responsible communication should: - Avoid reinforcing harmful stereotypes -Recognize the internal diversity of each ethnic group -Discuss hypotheses based on facts rather than generalization -Promote understanding and respect between different groups Building a harmonious society requires us to recognize such potential hazards and commit to a fairer and more accurate group cognition.