[nitwit005]

You'd need perfect forecasting to not waste food. Order exactly enough food, and serve each customer exactly what they'd eat.

[dietr1ch]

It's not about forecasting, but about being able to give food away instead of dumping it because "lost profits" and idiotic lawsuits on free food.

[nitwit005]

You skipped over the other part of what I wrote. The uneaten food that people leave on their plates is often more significant.