When a company fails, a relationship ends, a city declines, or a person succeeds, we tend to go looking for the cause.
Singular.
We want the reckless leader, the brilliant founder, the failed policy, the lucky break, or the one decision that changed everything. A complicated outcome becomes much easier to carry once it has been compressed into a story with a clear centre.
There is nothing foolish about the instinct. Stories are useful. They help us remember a world that would otherwise be too detailed to hold in our heads. The trouble starts when the story becomes cleaner than the event it is supposed to explain.
Simple stories are especially satisfying when they assign moral roles. If one person caused the failure, everybody else becomes less responsible. If one visionary caused the success, the surrounding team, timing, capital, and luck fade neatly into the background. We get a hero or a villain, and the ambiguity disappears.
Modern media rewards this. Confidence travels well. Saying that one thing caused an event makes a strong headline. Saying that several forces interacted and changed in importance over time is often closer to the truth, but it is harder to fit into a satisfying sentence.
That does not mean complexity is automatically wiser. Complexity can become a hiding place too. If everything caused everything, nobody has to make a judgement and nobody has to take responsibility.
A useful explanation still needs emphasis. It should identify what mattered most without pretending the main factor acted alone.
That is the difference between simplification and distortion.
A good model leaves things out on purpose, but remembers what it left out. Leadership may have been decisive without being sufficient. A structural problem may have mattered without removing individual agency. Luck may have influenced the outcome without making the work meaningless.
This kind of thinking is slower because it leaves uncomfortable possibilities open. A good decision can end badly. A bad decision can get lucky. Somebody you disagree with can still be right about one part of the problem.
When an explanation feels perfectly complete, it is worth asking what had to disappear to make it so neat. What other condition was necessary? What evidence would weaken the story? Would the same cause have produced the same result in a different environment?
Simple stories are useful for remembering.
More complete stories are usually better for deciding what to do next.