Big Dairy has unleashed a new ad campaign that comes across as a blatant attack on its newest competitors: non-dairy milk. Joining the ranks of Coke vs. Pepsi, the “Real Milk Comes From Cows” campaign is laden with language aimed at showing consumers how terrible milk substitutes are for them. Brought to you by The California Milk Processor Board, the ads lined up several milk alternatives next to “real” milk, with labels highlighting the ingredients of each.