The article doesn't specifically require mold; it only argues that mold is safe if the cheese is hard and salty. It's more about how cheese that's been forgotten in the fridge actually continues to age and develop flavors -- a poor man's cheese-aging cave.
The big fun tidbit is the 40-year-old cheddar from Wisconsin, forgotten in a walk-in cooler.
The big fun tidbit is the 40-year-old cheddar from Wisconsin, forgotten in a walk-in cooler.