the US is a major consumer of the stuff, kind of a novelty elsewhere

You can get 10 different brands of orange juice in a German supermarket, but the biggest family pack would be a litre, not a gallon. When I was a kid fruit juice was still marketed as healthy, so we drank a lot. But even then, our family of 5 would never have been able to drink 3.7 litres of juice before it would get bad.