The entire reason almost every modern country massively subsidizes and manages the staple food crops of their agricultural economy is that letting them rational

The entire reason almost every modern country massively subsidizes and manages the staple food crops of their agricultural economy is that letting them rationally act in their best interests kept causing famines when farmers did dumb things, like cause the dust bowl. Central management of food supplies has been an essential part of societal stability since ancient times, and the USSR using "industrialization" and "centralization" of farming as an excuse to kill a bunch of "kulaks" does not undo that.