Even if you can't prevent it directly, you could regulate labeling and shaming like Carrefour did[0]. Even better if you require companies to put big gaudy war

Even if you can't prevent it directly, you could regulate labeling and shaming like Carrefour did[0]. Even better if you require companies to put big gaudy warnings on their products themselves when shrank(and replacing the previous size) like cigarette companies. 0 - https://www.theguardian.com/business/2023/sep/14/carrefour-puts-shrinkflation-price-warnings-on-food-to-shame-brands https://www.theguardian.com/business/2023/sep/14/carrefour-p...