Bryan Appleyard in New Statesman:
Americans apparently spend more than $100bn a year on motivating their employees using various positive thinking techniques. This is madness, as anybody who has been subjected to team-building or any of the other devices from the shabby book of spells that is management theory will attest. It produces palpably false statements such as this one from Marc Andreessen, a Silicon Valley entrepreneur and investor: “And I can tell you, at least from the last 20 years, if you bet on the side of the optimists, generally you’re right.” In fact, once you take into account the number of optimistic failures, you’d lose every penny. More preposterously, there was the supreme expression of positive thinking that was The Secret (2006), a book by Rhonda Byrne. This exposed the superstitious roots of positive thinking by openly saying that there was a “law of attraction”, whereby the universe would materially reward your positive thoughts. Our own dear Noel Edmonds is an adherent of something similar called “cosmic ordering”, a form of intergalactic Amazon.
That this has got dangerously out of hand is obvious to the most intelligent. The Nobel Prizewinner Daniel Kahneman (the author of the bestseller Thinking, Fast and Slow) and his collaborator Dan Lovallo point out that optimism undermines executive decisions. They show that forecasts based solely on internal company attitudes are often wildly overoptimistic and suggest that companies should instead adopt “reference class forecasting”, where the performance of outsiders in similar situations is taken into account, and at once pessimism intrudes. There is also the Icarus paradox, identified by the economist Danny Miller, which is all about the way extreme success in business is often followed by abject failure, precisely because of the overoptimism fomented by the good times.