If Wickard vs. Filburn (4) and similar laws/decisions were to be repealed, incentives could stack up and growing your own food to save money, and sell intrastate, may become popular again.
Automation/economies of scale + government subsidies + many farmers having massive amounts of specialized knowledge and skills vs what amounts to subsistence agriculture is just wildly in favor of large scale operations.
This also works in reverse, (2) artificially destroying the pricing mechanism, and externalizing costs to the taxpayer.
1) https://en.irefeurope.org/publications/online-articles/artic...
2) https://www.farmpolicyfacts.org/the-bitter-impact-of-foreign...
Hunting by comparison has a vastly better ROI if you want some food independence.