Article from 1981 showing the scope and how long this practice has been going on.
Every time there is a new real estate development, strip mall, or subdivision going in, they will strip the topsoil and sell it overseas to our enemies.
Food shortages are how communists kill people who won't fall in line.
Probably part of it. If Gates is outbidding everyone for it, patriots can't have it. Then he can either farm it and export the food, sell the topsoil, poison it, grow GMO's that sterilize people, or just let it lie fallow.
Anyway I don't trust a guy so interested in eugenics deciding he wants to control the means of food production.