Great article!
Another more insidious impact of the shrinkflation trick is that to the government, there isn’t actual inflation in the cost of food. So folks living on Social Security don’t get a cost-of-living increase.
The inkjet printer manufacturers kept trying the monopoly trick until a law was passed that customers have to be able to use other cartridges.
I have stopped giving money to charities unless I can send it anonymously; otherwise, for the rest of your life, they will keep asking for more. Same reason I won’t sign online petitions in support of a political campaign. They are like leeches.