because they think that those people don't meet their standards or they are being rejected by the norms social ideologies like in religion, race, culture, color, etc.
Because people nowadays are expecting everyone who they view to be "different" or "outcasts" of the society should meet the societal standards. Religions, cultural beliefs, and other conservative views regarding a country's culture is being forced because of the need to assert dominance to show how superior they are.
