Please explain “herd instinct” in this sentence: They will be powerfully influenced by the herd instinct, the feeling that it is better to be wrong in large numbers than to be right alone. My comments ...

羊群效应又称从众效应，即是西方人说的Bandwagon Effect（乐队花车效应）。羊群总是喜欢聚在一起，分开了就感觉不安全。因此，牧羊人方便管理，会训练一头领头羊，带领一众羊群。领头羊先行，其他羊群尾随，模仿一举一动，入圈出圈、吃草喝水、过桥过巷 ...