because they're a source of local, sustainable, seasonal, and healthy food that isn't peddled by agribusiness lobbies — grassfed beef specifically is leaner, lower in calories, and richer in beneficial nutrients
So the animal rights and environmental groups are upset that health targets are prioritizing health over mudding the waters with these other agendas? If those are worthy goals on their own then fine, but stop trying to suggest that we can't improve health drastically and more effectively by making simple and clear recommendations to move away form processed food.
And costs significantly more money.