The qualitative difference between the Red Curve and the Green Curve is that the Red Curve shows ongoing, exponential improvement. The Green Curve shows continuous improvement towards some limit value.

I suspect that many folks do not realize the degree to which we are living in an exponential (and highly non-linear) world. My brother-in-law recently sent my wife a link to a video on You Tube that illustrates this point far better than I can.

The Red Curve is real folks. But hey, as W. Edwards Deming is said to have said:

It is not necessary to change. Survival is not mandatory.

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