You can mix the fruit juice with water, that way you have flavored water without a ton of sugar.
While they do offer other nutrients (not a lot, mind you, as we're throwing away most of them), fruit juices have almost as much sugar as sodas. We were never meant to consume fruit like this - we're literally extracting the worst part of them.
Have we lost the knowledge how to make native software? Do we really have to use bloated, memory hogging "web apps" disguised as executables? Is cross-platform really worth the performance impact?
Wouldn't he be happy that there are no electronics allowed?