Sure; "consumption" in this sense almost always means buying legal goods and services. Some economics would say that someone buying something is by definition proof that it is a beneficial transaction. I wouldn't go that far personally.
Seems like you might be approaching this from a different perspective / this is a confusion over the mutual meaning of words. But the GP is basically a slogan or an axiom, not worthy of serious rebuttal.
Seems like you might be approaching this from a different perspective / this is a confusion over the mutual meaning of words. But the GP is basically a slogan or an axiom, not worthy of serious rebuttal.