 Just consider the first, the one about meat consumption producing meat production. It is most plausible with regard to buying. It is buying the wrongfully-produced good that produces more of it. Eating meat produces more production, if it does, by producing more buying. When Grandma buys the wrongfully produced delicacy, the idea goes, she produces more wrongdoing. The company she buys from produces more goods whether you eat the delicacy or throw it out.