Except that the prime reason for the planetary extent of livestock is that vast tracts of the Earth consist of grass and scrub — food humans cannot eat, but which Daisy and her ilk can turn into nutritious meat and dairy, stuff that humans can chow.

Not nearly enough to keep up with demand. The vast majority of cows (about 95% in the US) are fed on corn and soy.

A litre of almond milk drink requires 158 litres of water, or 20 times as much as dairy.

A liter of cow's milk requires over 600 liters of water as input.

Large swathes of the Amazon have been burned to make way for soy farms, and the soy goes into alt-milk as well as the cattle feed.

The vast majority of soy that's grown goes toward feeding livestock.

So you get 7g of sugar with a single serving of Oatly Original. Hence US blogger Nat Eliason’s famous assertion that Oatly is “The New Coke”.

Whole milk has 12!