In response to my question about their local advertising campaign, Jessica, a mouthpiece for the beast, wrote this:
Thank you for contacting McDonald's.
Unfortunately, we do not provide the names of our suppliers as we consider this information proprietary. However, we can assure you that McDonald's uses many high quality, nationally known brand name suppliers such as Tyson Chicken, Kraft Cheese, Hunt's ketchup, Gorton's fish, Vlasic pickles and Quaker Oats hotcake mix, to name a few.
Again, thank you for your interest in McDonald's.
McDonald's Customer Response Center
The Sun Break also has a good article about this campaign.
Commence defacing these signs.