This is by no means unique to the potato industry. A data-broker called Agri Stats works with America's largest meat-packers to rig the price of meat - packers send Agri Stats the same kind of data that Big Potato sends to Potatotrac, and Agri Stats sends back the same "recommendations" that allow them to raise meat prices across the board, in lockstep:
https://pluralistic.net/2023/10/04/dont-let-your-meat-loaf/#meaty-beaty-big-and-bouncy
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