"Organizations adapt their explanations faster than their behavior.
The quote is short, but the word organizations carries the weight. In a handoff where context is thin and the clock is loud, it tells you where reality will push back, even when the plan looks clean.
In a handoff where context is thin and the clock is loud, the failure mode is rarely ignorance. It is choosing as if the system were simpler than it is, then being surprised by the interaction effects. You see it in a design decision that is legible today and costly tomorrow. Do not hide the tradeoff in prose; make it two lines so it stays readable when time is short.
Geoffrey Vickers is a reminder to keep it concrete. Name the assumption and the observable signal that would invalidate it. Make the decision legible to the next person who inherits it.