Has food been made a commodity? Foodstuffs are traded as technical commodities. I doubt this is what was meant in the OP. Food, fit for immediate consumption is probably what was meant. Is this, in itself, a bad thing. 1/N
If not directyl rooted in marxist thought it is mutated from it. they call it "commodity fetishism", the idea that exchanging goods in a market strips them of a transcendental quality, further alienating workers.