Sheogorath, daedric prince of cheese (among other things) definitely invented lactose intolerance because it'd be funny. He knew they wouldn't be able to resist the cheddar.

What A fool you are. I'm a god. How can you kill a god. What a grand and intoxicating innocence. How can you be so naive? There is no escape. No recall or intervention can work in this place. Come, lay down your weapons. It is not too late for my mercy.
Sheogorath, daedric prince of cheese (among other things) definitely invented lactose intolerance because it'd be funny. He knew they wouldn't be able to resist the cheddar.