Historian Jared Diamond explores whether singular figures or external forces dictate the direction of human civilization. By applying his unique "Hamlet test," he evaluates leaders ranging from Genghis Khan to Jeff Bezos.

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The $2.8 trillion impact of Jeff Bezos’s Amazon

Jeff Bezos’s rise to prominence began at the hedge fund DE Shaw, where he was tasked with investigating the burgeoning opportunities of the digital age. As the report details, Bezos observed that internet usage had surged by 2,300 percent in 1993, sparking the idea for an "everything store" that functioned as a middleman between manufacturers and consumers.

While many entrepreneurs saw the same trends, Bezos's specific leadership traits set Amazon apart from its competitors. According to the article, he was a relentless risk-taker with an exceptional attention to detail who prioritized customer satisfaction—specifically speed of delivery and ease of ordering—over immediate share value. This combination of personality and timing helped transform a startup, initially launched with $10,000 of his own money and $1.25 million from investors, into a $2.8 trillion behemoth.

How 13th-century rainfall empowered Genghis Khan

The debate between the "Great Man theory" and environmental determinism is perfectly illustrated by the rise of Genghis Khan.. While the Mongol leader was an undeniable military and administrative genius, the article notes that he was not uniquely more talented than other steppe leaders, such as Attila the Hun.

Instead, the 13th century provided a unique ecological advantage that facilitated the rise of the largest land empire in history. A period of unusually heavy rainfall on the central Asian steppes led to an abundance of grass, which in turn supported more livestock and, crucially, more horses for Mongol children to ride. This environmental windfall suggests that Genghis Khan's skills might have been wasted had he been born just two decades earlier.

The 1930 Munich car accident and the Hitler debate

The question of whether individuals shape history is perhaps most chilling when applied to the life of Adolf Hitler. In March 1930, a truck narrowly missed Hitler’s vehicle at a Munich crossroads, an event that spared him from an early death just years before he became the chancellor of Germany.

This moment raises a profound historical debate regarding the inevitability of the Second World War and the Holocaust, which claimed tens of millions of lives. Some argue that Hitler's personal ambitions were the primary driver of these horrors, while others suggest that the harsh conditions imposed on Germany after the First World War and long-standing anti-Semitism made such a conflict unavoidable regardless of who was in power.

The Zuckerberg dilemma and the limits of the Hamlet test

Jared Diamond uses the "Hamlet test"—named after the idea that no other playwright could have written Shakespeare's masterpiece—to measure the uniqueness of modern figures like Mark Zuckerberg. The test asks if, had Shakespeare died of smallpox at age ten, any other contemporary like Ben Jonson could have produced a work of equal complexity.

Applying this to the tech sector, the report raises several unanswered questions about the digital era. while Mark Zuckerberg’s 2004 launch of Facebook shaped the specific trajectory of social media, it remains unverified whether a different personality would have achieved the same dominance or if the platform's evolution was a mathematical certainty. We are left to wonder if the success of figures like Zuckerberg or Bezos is a product of unique minds or simply the inevitable results of a specific moment in time.