Happening everywhere. Check a "1lb" can of coffee, same size but it'll now hold only 12-14oz.
If you look closely, you'll discover this is happening everywhere. It's the way manufacturers make it appear as though you're getting the same amount of goods for the same price while dropping THEIR cost. They think YOU think you're paying the same for what you always used to get.
To quote "W": "Fool me once. . . shame on . . . you. Fool me twice . . . uh . . . you can't be fooled again."