Lean thinking, and the lean toolkit have changed the manufacturing landscape around the world. The elimination of waste in processes is now standard practice in every successful business, and the tools of Lean, 5 why, 5S, and all the rest play a key role, and have been successfully migrated into functional areas outside operational ones.
However, like any tool, you have to have the right one in your hand to effectively address the situation in front of you, and lean tools are not always the best ones.
Lean is largely about optimising the existing processes by elimination of steps that add no value, the elimination of waste.
However, when applied to strategy development they are not useful in many circumstances.
Had the Taxi industry applied a 5 why analysis to their industry, they would not have come up with something like Uber. They would have cleaner taxis, drivers who know their way around, quicker response times, and a way to address the shift changeover lag. To come up with an Uber required the industry to reframe the source of value they create for customers, who want to get from point A to Point B in the least possible time, at the least possible cost, while being kept fully informed. A 5 why or alternative popular tools like a SWOT would not have given them the answers that led to Uber, they needed to reframe the industry entirely from the perspective of the customer.
The problems of the taxi industry were not solved by Uber, they entirely reframed the value proposition to customers.
Innovation is a particular challenge for lean thinkers, as it is always messy, risky, ambiguous, and a long way from optimised. However, it is an essential part of commercial evolution, without which we would end up in a homogenised world.
How boring would that be?
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