"

It isn't a matter of ""allowing""; we've been using the word that way for over 1000 years, and nobody was ever given a license to take it away from us.

But even the source you cite supports the three of us, not you. Those billions and billions of labels out there, throughout the world, giving the weight of food and cosmetics and cement and wheel-bearing grease and whatever in grams and kilograms are correct.  "