We want to replicate the foods that we're accustomed to eating. Most Asians and Africans (who live in those parts of the world) don't drink milk past toddlerhood and aren't particularly interested in dairy foods - or replicas thereof because it's not part of their cultural food experience. Americans and Europeans are used to dairy foods.
Italy is a big cheese making and user country, yet humans don't drink milk past their weaning. I never drank milk until I came to this country when I was 12. My cousin told me that I HAD to drink milk for my health. I liked it and it didn't sicken me. Here's some stuff I just researched.
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It's possible that the first Aurochs were milked 8,000 to 10,000 years ago in two different parts of the world, since domestication is attributed to cow-milking, but it's likely that European farmers were the first. As such,
humans have been
drinking cow's
milk for about 6,000–8,000 years.
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Not only
are humans the only species that consumes
milk in adulthood, but they are also the only one to
drink the
milk of other animals. Biologically,
cow's milk is
meant to feed a rapidly growing calf.
Humans aren't calves — and adults usually don't need to grow.
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Cancers. Excess calcium from
milk and other foods may increase the risk of prostate cancer .
Milk sugars may be linked to a slightly higher risk of ovarian cancer.
Milk from
cows given growth hormones contains higher levels of a chemical that may increase the risk of some cancers.