The goal isn't to know everything about an industry, which has diminishing returns and leads to overconfidence. A better edge comes from efficiently understanding the few critical variables that matter most across multiple opportunities, while consciously ignoring immaterial details.

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The ability to distill a complex subject down to its essential principles (like "algebra in five pages") is a rare and powerful skill. It enables faster learning, better communication, and clearer product vision, often outperforming the ability to perform intricate calculations.

Over-diligencing for well-rounded perfection is a mistake. The best companies rarely excel in every area initially. Instead, investors should identify the one "spike"—the single dimension where the company is 5-10x better than anyone else—as this is the true indicator of outlier potential, rather than looking for a company that is A+ across the board.

Investors don't need deep domain expertise to vet opportunities in complex industries. By breaking a problem down to its fundamentals—such as worker safety, project costs, and labor shortages in construction—the value of a solution becomes self-evident, enabling confident investment decisions.

Contrary to conventional wisdom, deep sector expertise can be a liability in venture capital. VC firm Felicis found that none of its 53 unicorn investments were led by an expert in that specific sector. Experts can be anchored to orthodox thinking, while generalists are better able to recognize and back disruptive, first-principles approaches.

Focusing exclusively on one industry makes you an expert in a silo but blind to broader market shifts and innovations from other sectors. This intellectual laziness limits your ability to bring fresh perspectives to clients, making you less valuable and more replaceable than a well-rounded expert who can cross-pollinate ideas.

Product management "range" is developed not by learning domain-specific facts, but by recognizing universal human behaviors that transcend industries—the desire for simplicity, convenience, or saving time. Working across different verticals hones this pattern-matching skill, which is more valuable than deep expertise in a world of accessible information.

Resist the common trend of chasing popular deals. Instead, invest years in deeply understanding a specific, narrow sector. This specialized expertise allows you to make smarter investment decisions, add unique value to companies, and potentially secure better deal pricing when opportunities eventually arise.

Industry specialists can become trapped in an "echo chamber," making them resistant to paradigm shifts. WCM found their generalist team structure was an advantage, as a lack of "scar tissue" and a broader perspective allowed them to identify changes that entrenched specialists dismissed as temporary noise.

Investor Mark Ein argues against sector-specific focus, viewing his broad portfolio (prop tech, sports, etc.) as a key advantage. It enables him to transfer insights and best practices from one industry to another, uncovering opportunities that specialists might miss.

In a rapidly changing world, the most valuable skill is not expertise in one domain, but the ability to learn itself. This generalist approach allows for innovative, first-principles thinking across different fields, whereas specialists can be constrained by existing frameworks.