Because its not important.
The ability to eat cheese and milk is not essential, regardless of what people say. so why dedicate resource in “curing” such a small issue?
From a biological view, the ability to process lactose is abnormal, and from evolutionary view, its fking stupid.
The entire industry is pretty fuked up in how we acquire milk and dairy products. mammal will only produce milk when pregnant, milk cows are no exception. we quite literally go out of our way to get milk.
Lactose intolerance is like your baby teeth falling out, its SUPPOSE to occur. curing it would be like re-implanting baby teeth on top of their adult teeth.
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