Leaders are told to keep it simple, and the advice is right often enough that it gets applied where it does damage.
Simplification removes detail. Where the detail was noise, this is pure gain. Where the detail was structure, the message is now clean, memorable, and wrong.
What gets destroyed
Three things disappear first under simplification, and each one is load-bearing.
Conditionality. We are expanding into the Magic Valley is simpler than we are expanding into the Magic Valley if the second anchor tenant signs by March. The condition is the entire content of the plan. Removed, a contingent decision has been announced as a settled one, and people will commit resources accordingly.
Uncertainty. A forecast held with real doubt gets reported as a number, because the doubt is awkward to convey. The recipient then plans against a figure that was never as solid as its presentation.
Causal structure. We are doing this because of A, which matters only while B holds, becomes we are doing this because of A. When B stops holding, nobody notices, because the dependency was edited out of the version everyone remembers.
In each case the simplification is not a smaller version of the truth. It is a different claim, and it will be acted on as stated.
What clarity does instead
Clarity keeps the structure and removes whatever is obstructing view of it. This is more work than simplification and produces something longer, which is why it loses.
The obstructions are usually the same few things. Sentences carrying three ideas that should carry one. Terminology that means something precise to you and something vaguer to the reader. An order that reflects how you arrived at the conclusion rather than what the reader needs first. Qualifications attached to the wrong clause, so that a caveat about timing appears to be a caveat about the decision.
Remove those and a genuinely complicated matter can be stated at its real complexity and still be understood. The result is not simple. It is clear, and the reader now holds the thing including the parts that matter.
The test
Before shortening anything, ask what a person could do with the short version that they should not do.
If the answer is nothing, simplify freely. If the answer is that they might commit to something contingent, or plan against a number that is soft, or continue an approach after its precondition has expired, the detail was structural and its removal has created a specific and predictable error.
This is a better test than asking whether the short version is accurate, because the short version is nearly always accurate as far as it goes. The question is what it licenses.
Complexity as concealment
The argument runs the other way as well, and the opposite failure is at least as common.
A great deal of complicated communication is complicated because the underlying thinking has not been finished, and elaboration is standing in for a conclusion that does not yet exist. A leader who cannot state what they have decided, and produces four paragraphs of context instead, has usually not decided.
Complexity also conceals deliberately. Language that no reader can pin down is language that cannot be quoted back, and organizations under scrutiny drift toward it without anyone instructing them to. The tell is a document that survives every reading without anybody being able to say what it commits to.
The distinction between necessary and defensive complexity is whether removing a qualifier would make the statement false or merely make it easier to hold you to.
Layering rather than flattening
Where an audience genuinely spans different needs, the resolution is not a compromise version that serves neither.
Lead with the decision and the one condition that governs it. Follow with the reasoning for anyone who needs to apply it to a case you did not anticipate. Attach the full analysis for the small number who will actually examine it.
Everybody then takes what their situation requires, and nobody has been handed a version whose missing pieces they cannot know are missing. The failure of flattening is not that some people get too little. It is that they cannot tell they have.
Edited by Patrick J. Wolf, PhD