In 1895, French social psychologist Gustave Le Bon published a book called “The Crowd.” This book would go on to influence political leaders, marketers, and social theorists for decades. His central idea was both simple and provocative: when individuals become part of a crowd, their behaviour can change. Emotions become contagious, critical thinking can be reduced, and people may act in ways they would not normally act on their own.

Whether or not one agrees with all of Le Bon's conclusions, his work raises an important question for leaders: How much of our thinking is truly independent, and how much is shaped by the groups we belong to? We like to think of ourselves as rational decision-makers, yet social psychology consistently demonstrates the influence of conformity, social proof, and group dynamics on human behaviour.

This matters in organisations, it matters in politics and it matters in culture. I think groupthink can suppress innovation and social pressure can discourage dissenting views. Teams can become so aligned that they stop challenging assumptions. The lesson is not to fear the crowd. The lesson is to remain curious enough to question it. As leaders, one of our responsibilities is to create environments where people feel safe to think independently, challenge ideas respectfully, and contribute perspectives that may differ from the majority view. Research show that progress rarely comes from everyone thinking the same way.