How true, the beauty of really thinking from this perspective, your problem solving priortization is easier, and conflict is avoided. The scary thing is when you strip out all the steps in the process your customers don't value or would be willing to pay for, you are left with quite a list of "review", "audit", "verify" an data entry which are feeding computer fields, the output to which no one ever looks at.
Once you get to that point, some fun process refinement occurs... The team needs to have an open mind and depersonalize the process and make the decision with the external and internal customer in mind.
Once agreed upon following through and making and sustaining the changes is generally the challenge. We at DuPont recommend forming Kaizen Teams. They use the plan, do, check, and act cycle. This process ensures the ownership for change is bought into by the staff and the follow up mechanisms used will hold the team leader and team more accountable.
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Steve drives home a good point. A lot of people try to eat the whole apple of Lean in one bite, but if you would look at Lean as a bunch of grapes and eliminate a grape....bad process....one at a time through a Kaizen process you will get there. I was in a shop talking to a manager and I saw a welder with a broken wheel. He saw me looking at it and said "That is a continual problem, every time a tech pulls the welder across the floor a wheel breaks." I asked him why he was moving the welder? He had five welders all parked along a wall. I looked at the stall layout and with my spray can in hand I painted five spots on the floor positioning the welders in the work area. Told the manager to move the welders to the spots and see how it worked. He called me a couple of weeks later and has now shifted all his equipment to the areas they are used. Not only did we solve the welder wheel problem but his shop is more efficient because the techs are not walking across the shop to get a welder. I use Lean is an acronym "Lets Eliminate Anything Negative" Using the Kaizen process eliminate the things that do not make sense and do not move your goals forward.