the tap water's wonky, the bread has glass in it, the produce has parasites, the eggs have salmonella, the meat just generally tastes weird sometimes, and on top of that it's all super expensive anyways.
Chapter 5 once again has its own Dog Check screen, this time being a direct reference to the "Monokuma Theater" sequences from Danganronpa: Trigger Happy Havoc. The song for the Dog Check, which is titled "Inukuma", also is a reference to the song "Mr. Monokuma's lesson"