and probably using the sweetest varieties they can find.
It's probably a mix of using sweet varieties, picking at peak ripeness and quickly juicing them without much transportation.
Think of the difference in if you made tomato juice with a standard supermarket tomato vs a local in-season farmstand tomato.
Either way, we should all be watering it down.
Honestly, juice just isn't anywhere near as healthy as whole fruit.
You can water it down if you want, but either way it should be a fairly rare treat.
I agree with you that if you use functions it's functional.
But many people don't really realize how that contrasts with procedures and procedural code.