So you have a subsidy on corn, a tariff on sugar, and the double imbalance causes companies to use HFCS.
If we got rid of the tariff on sugar we could import sugar from brazil, and make ethanol out of it. (Which actually works, unlike ethanol from corn.)
It's politically impractical to just leave the corn farmers out to dry, so instead we choose some other food and give them subsidies on that if they agree to switch from corn.
So you have a subsidy on corn, a tariff on sugar, and the double imbalance causes companies to use HFCS.
If we got rid of the tariff on sugar we could import sugar from brazil, and make ethanol out of it. (Which actually works, unlike ethanol from corn.)
It's politically impractical to just leave the corn farmers out to dry, so instead we choose some other food and give them subsidies on that if they agree to switch from corn.