Knorrs, Ramen, Kraft, Liter bottle weights and Energy bars added.
"Knowing the individual protein/g is not all that useful, it's the total that matters"
If a person is trying to carry as little weight as possible, knowing how much protein they can get per ounce is very useful. It directly reflects the total protein.
Getting 100 grams of protein is easy. Getting it as light as possible is not.