text: In general you are correct. The problem is that humans have a need or desire for companionship. That companionship entails necessary factors like protection, values, traditions, and commonality. As much as each individual is different, humans group together with those factors as a sort of magnet. They become uncomfortable when an "outsider" tries to undermine the core factors that "glue" the group together. Mind you, these factors help the society or group function. For example, a United States citizen may have no problem eating Chinese food offered by their Chinese neighbor, but that same citizen does not want their Christian values and religion undermined by Buddhism. Likewise, he or she does not want the English language to be superseded by the Chinese language. The food is not a core factor, but the interference into the core factor of the society's values/religion or language is a problem. So...in this respect science can definitely be applied to people.