The biggest problem in most workplaces is not that waste is hidden, but that people gradually stop noticing it. Processes become familiar, inefficiencies become normalised, and teams become so focused on frameworks, categories and terminology that they lose sight of what continuous improvement was originally designed to achieve.
The debate over whether Lean contains seven wastes or eight completely misses the point of what Taiichi Ohno built inside the Toyota Production System. The goal was never memorisation. The goal was learning how to observe what adds value and what quietly drains it away.
From Ohno’s famous “chalk circle” exercise to modern research into inattentional blindness explored in The Invisible Gorilla, the lesson remains remarkably relevant today. Waste often hides in plain sight through rework, excess activity and unnecessary delay, slowly reducing performance across almost every organisation.
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