https://www.cbsnews.com/news/larry-olmsted-real-food-fake-food-new-book-investigates-fraud-labels/
Turns out there's a lot of mislabelling around.
Larry Olmsted's book was published in 2016 and has LOTS of instances of misappropriated food labels. I found it a fascinating read.
Edited to add that I have no idea if this is the case here.