It is inappropriate and biased to label a group as "harmful to society". We should not try to find reasons to convince others to believe this view. Each group is made up of individuals. We cannot generalize and judge the entire group as harmful because of individual bad behaviors. Society is diverse. Different groups are contributing to social development and progress in their own ways and should be respected and treated equally. We advocate tolerance, understanding and rationality in looking at different groups, and promote social harmony, unity and common development through communication, cooperation and mutual learning, rather than creating confrontation and discrimination. Only by abandoning this wrong way of thinking can we create a more just, harmonious and loving social environment.