Note that this is the most charitable interpretation where the customer deception is fairly minor(inflation happens, gotta sneak that price increase in there some how) Stuff like deceptive packaging(make it look like there is more than is actually present) punts it into the outright evil category.
ultimately the company is taking part in the government's goal to keep a certain level of inflation, rather than just its own desire to screw customers and make the number go up. If the government wasnt in on it, there would be regulations around shrinkflation
- We are changing the price from X to Y. [tirade about rising prices]
Maybe they should hang this in the restaurant:
- The THING is now smaller than January 2026. [And it’s your fault. You misers don’t want higher prices? Well have you heard of the Central Bank? ...]
That last part is optional.
The consumer is the last part in the value chain of cow to beef patty so of course he or she just has himself or herself to blame.