Those are good analytic comments Travis but, The National Geographic isn't the fora for a reprise akin to the Sweezy-Dobb debate in Science and Society and Past and Present.
"Modes of Extraction of Surplus Value From Subaltern Semi-Proletarianized in the Global South," in The National Geographic, yup, the editors will publish that.
Ironic you are accusing Andrew Cockburn, 'bro of Alex, son of Claud, of being an apologist for exploitation.