Blinded by Science: “Harry and Schroeder assert that companies can expect to achieve higher profitability, increases in market share and lower costs if they use Six Sigma. The assertion is compelling but it’s difficult to verify, since the average executive will find it hard to conduct a comprehensive survey of the quality level at every company and how it correlates with changes in net income.” [additional ranting about telecoms deleted] The article makes a “good obvious point”: know what you’re trying to achieve, be methodical, look before you leap.