Your first paragraph makes a thesis that is not easily falsified by anecdote (both capitalist British Raj India and communist Stalinist Russia had large famines

Your first paragraph makes a thesis that is not easily falsified by anecdote (both capitalist British Raj India and communist Stalinist Russia had large famines). However I agree that US food production is already highly centralized, at least where big ag is concerned, with the characteristic that profits fill private pockets while losses are subsidized by the people at large.