Thats because back then you got a paid lunch and in the 1990s companies stopped offering that and said it was a boon to workers because “you can leave the property for lunch” and other excuses like “liability” and such.
Now workers have to stay an extra hour and dont get paid for that time.
Noticing the cheese is what made me realize whoever did it, did it with some thought behind it and that’s a little scary. XD