It's not just an economic incentive structure though: It's subsidies that make it a priority crop instead of anything else. We could be making so many other th

It's not just an economic incentive structure though: It's subsidies that make it a priority crop instead of anything else. We could be making so many other things instead. A tax on ethanol & cattle feed would do more to shift things than making it illegal. Make it cheap to grow for humans, but allow other forms of food crop to have a fighting chance.