Farmers and ranchers are very concerned about what the government thinks is correct.
Check it out:

“Science must drive policy that feeds people all over the world, so we applaud the advisory board for its notable contributions to public health. We appreciate the breadth and depth of knowledge that they bring to the important process of refining and reviewing nutrition guidelines.

“We are, however, concerned that the report’s lengthy foray into sustainability issues goes well beyond both the group’s expertise and its clearly defined mission. Its conclusions would have benefited from the contributions of agronomists, animal scientists, ecologists and others with deeper expertise in agriculture and sustainability.