Keep Improving the Six Sigma Way
1. Finding long term solutions to problems is much better than having to make changes and then fix the problems again and again. It doesn't make sense for you to keep revisiting over and over.
2. Everything changes over time for the most part, so even a solution that works for now may not work later. Having said that, there is no foolproof solution, but you need to stay up with the changes so you can prepare for later.
3. CIPs (Continuous Improvement Plans) are made so that people can effectively keep things working without redoing a whole process. You don't want to redo everything, it ends up to be more work in the end. You want to keep working and fixing things.
4. Boosting and making positive changes in a business is way more about the future and much less about the present time. If a company can't hold its own after the Six Sigma team leaves and that particular project is over, there is a big issue. The company needs to be able to stand up on its own and take care of the problem long after the team leaves and also implement Six Sigma processes to fix them in the future.