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Mental Models

The Fragilista

The fragilista is someone who overestimates the reach of scientific knowledge, mistakes the unknown for nonexistent, and engages in policies and actions where benefits are small and visible but side effects are severe and invisible.

THE IDEA

The Fragilista

Our idea is to avoid interference with things we don't understand. Well, some people are prone to the opposite. The fragilista belongs to that category of persons who are usually in suit and tie, often on Fridays; he faces your jokes with icy solemnity, and tends to develop back problems early in life from sitting at a desk, riding airplanes, and studying newspapers. He is often involved in a strange ritual, something commonly called “a meeting.” Now, in addition to these traits, he defaults to thinking that what he doesn’t see is not there, or what he does not understand does not exist. At the core, he tends to mistake the unknown for the nonexistent.

The fragilista falls for the Soviet-Harvard delusion, the (unscientific) overestimation of the reach of scientific knowledge. Because of such delusion, he is what is called a naive rationalist, a rationalizer, or sometimes just a rationalist, in the sense that he believes that the reasons behind things are automatically accessible to him. And let us not confuse rationalizing with rational—the two are almost always exact opposites. Outside of physics, and generally in complex domains, the reasons behind things have had a tendency to make themselves less obvious to us, and even less to the fragilista. This property of natural things not to advertise themselves in a user’s manual is, alas, not much of a hindrance: some fragilistas will get together to write the user’s manual themselves, thanks to their definition of “science.”

So thanks to the fragilista, modern culture has been increasingly building blindness to the mysterious, the impenetrable, what Nietzsche called the Dionysian, in life.

Or to translate Nietzsche into the less poetic but no less insightful Brooklyn vernacular, this is what our character Fat Tony calls a “sucker game.”

In short, the fragilista (medical, economic, social planning) is one who makes you engage in policies and actions, all artificial, in which the benefits are small and visible, and the side effects potentially severe and invisible.

There is the medical fragilista who overintervenes in denying the body’s natural ability to heal and gives you medications with potentially very severe side effects; the policy fragilista (the interventionist social planner) who mistakes the economy for a washing machine that continuously needs fixing (by him) and blows it up; the psychiatric fragilista who medicates children to “improve” their intellectual and emotional life; the soccer-mom fragilista; the financial fragilista who makes people use “risk” models that destroy the banking system (then uses them again); the military fragilista who disturbs complex systems; the predictor fragilista who encourages you to take more risks; and many more.

When to use it

  • When a manager insists on strict controls and oversight believing it will improve efficiency, but it stifles innovation and creates hidden risks.

  • When a doctor prescribes medication for a self-limiting condition without considering side effects, ignoring the body's natural healing ability.

  • When a government implements top-down economic policies that ignore local complexities, leading to unintended consequences.

  • When a financial institution relies on risk models that are fragile to rare events, causing systemic failure.

FROM THEORY TO EVERYDAY LIFE

In practice

01

The Medical Fragilista

Overintervenes in denying the body’s natural ability to heal and gives you medications with potentially very severe side effects.

02

The Policy Fragilista

The interventionist social planner who mistakes the economy for a washing machine that continuously needs fixing and blows it up.

✳

A MOMENT TO REFLECT

Put it to work.

  1. In what areas of your life do you tend to mistake the unknown for the nonexistent?

  2. Have you ever intervened in a complex system thinking the benefits were clear but ignored potential severe side effects?

  3. How can you identify fragilista tendencies in decision-making within your organization?

Connected ideas

Another lens can bring the same problem into focus.

Often confused with

CONTINUE THE CONVERSATION

Source texts

  • Antifragile (Nassim Nicholas Taleb)
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