Telecom Computer Security Databases Handheld Devices Tech. You are, no doubt, aware of the manifold ways to deal with manifold types of uncertainties, both with uncertain explanatory variables or time series, and in historical output series. In the face of rapid changes, your forecasting task might be more focussed upon predicting turning points.
Rapid change is no reason to leave the playing field.
Certainly you would never make a dismissal statment as you did based only on general, second hand knowledge about the field of forecasting. And, some of what he writes is just plain wrong or is on extremely shaky logical or empirical grounds. His statment that the era of the computer is over is absurd on the face of it, as is his comment that computers have only speeded us up a bit. I guess he's just unaware of the commerecially funded research in Mass. Another area is process control - although the people who work on these things care abpout productivity, so their jobs should be eliminated.