In March 2021, a single container ship wedged sideways across the Suez Canal and stopped roughly 12% of global trade in its tracks for six days. Reporting at the time, drawing on shipping-market data from Lloyd's List, put the cost of the blockage at somewhere around $400 million an hour in delayed goods. Whatever the precise number, the underlying lesson was blunt: a route everyone had built their planning around for decades could disappear with essentially no warning, and every business exposed to it had to decide, immediately, with incomplete information, what to do next.
The businesses that handled it best weren't the ones who'd somehow predicted it. Nobody predicts a specific ship getting stuck sideways in a specific canal. They were the ones who'd already built the muscle of deciding well without complete information — because in logistics, that's not a rare emergency skill, it's Tuesday. A lane closes. A supplier goes dark. A weather system reroutes everything you'd planned for the week. The specific disruption is always a surprise. The fact that some disruption is coming never is.
What the science of decision-making actually says
Daniel Kahneman, the Princeton psychologist awarded the Nobel Memorial Prize in Economic Sciences for his work on judgment under uncertainty, spent much of his career documenting a specific, well-replicated failure mode: under pressure and incomplete information, people default to fast, intuitive thinking — useful and often necessary, but prone to specific, predictable errors, especially when the intuition hasn't been deliberately trained by prior experience with similar decisions. The fix his research points to isn't "think slower and more carefully every time," which is impossible when a decision genuinely can't wait. It's building enough prior structured experience with a category of decision that your fast, intuitive judgment in that category is actually reliable when speed is all you have time for.
You cannot eliminate uncertainty from a live disruption. You can eliminate the experience of facing that category of decision for the very first time — and that difference alone changes how good the fast, under-pressure version of the decision turns out to be.
Practicing decisiveness before you need it
- Run the "what if the primary option vanishes" conversation before it does. Not a full contingency document nobody reads — a genuine fifteen-minute conversation about what you'd actually do, with specific names attached to specific calls.
- Decide your default bias in advance: act or wait. Some disruptions punish hesitation (a closing route); others punish overreaction (a data glitch that looks like a real problem). Know which one you're generally facing before you're facing it for real.
- Debrief every real disruption like practice for the next one. Not to assign blame for what happened — to extract what made the decision easier or harder, so the next surprise is a little less unfamiliar than this one was.
The ship was freed after six days, and global trade absorbed the disruption the way it always eventually does. The lasting lesson for the operators who navigated it well wasn't about canals specifically. It was that the leaders who moved fastest and best were the ones who'd already rehearsed the shape of the decision — a primary route suddenly gone, a call needed now — long before this particular version of it arrived.
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