People have names. People have distinct, individual names that mark them as people and once you know somebody's name you are less likely to do bad things to them.

人都有各具个性的名字,这标志他们的人性,一旦你知道某个人的名字,你对他行恶的可能性就会降低。

耶鲁公开课 - 心理学导论课程节选