- Good ideas do not need lots of lies told about them in order to gain public acceptance. The general principle that good ideas are not usually associated with lying like a rug about their true nature seems to have been pretty well confirmed.
- Fibbers' forecasts are worthless. If you have doubts about the integrity of a forecaster, you can't use their forecasts at all. Not even as a "starting point".
- The Vital Importance of Audit. Basically, it's been shown time and again and again; companies which do not audit completed projects in order to see how accurate the original projections were, tend to get exactly the forecasts and projects that they deserve.
Read the whole thing. It's not long.