I recall reading that one US carrier saved a fortune by removing one Olive from each salad. Across a year? Imagine how much they can save by removing 2g of this a stick of that?
Unfortuantely, in this second great depression, the greatest majority of folks only look at the bottom line ticket price and many others have no say as the company has negotiated a bulk deal - which is much lower than the rack rate.
That's why the lounges turned into restaurants, much cheaper to do better food there, than on board for C+F.