Food system is a technical term and is distinctly different than the meat industry, which it encompasses. These companies certainly do not "control the food system"
https://qz.com/ipcc-report-on-climate-change-meat-industry-1...
The meat industry blocked the IPCC’s attempt to recommend a plant-based diet
https://www.researchgate.net/publication/352100490_Emissions...
FAO's work on emissions from animal agriculture may be influenced by the meat industry's interests, potentially affecting their recommendations on reducing meat consumption for environmental reasons.
https://www.pcrm.org/news/blog/meat-and-dairy-subsidies-make...
Meat and Dairy Subsidies Make America Sick
https://www.theguardian.com/science/2022/dec/09/academy-nutr...
Revealed: group shaping US nutrition receives millions from big food industry
https://www.salon.com/2022/11/11/the-meat-industry-is-borrow...
The meat industry is borrowing tactics from Big Oil to obfuscate the truth about climate change
https://www.americanprogress.org/article/why-the-farm-bill-m...
Why the Farm Bill May Be the Highest-Stakes Climate Fight Flying Below the Radar