This article says there is no research that it even works. So, basically CD made something up and passed it off as science.
The link between breeding and shopping is clear, yet ignored because that would mean stopping the eternal blaming of corporations and the government and actually looking at personal habits.
People buy products then use those products to breed some more and the cycle continues. Corporations and the government profit off of this, which leads to more resource loss. And around and around we go. Until we run out of resources.
Then you have famine and war. Say hello to reality.