Less emulsifiers in the soap, drinks with corn syrup replacing sugar, and powders like cinnamon cut with lead powder.
Standard formulas for a given product. Anything that isn’t 40% sugar drink is “immitation soda drink”. Anything that’s under-emulsified can’t be called real soap.
These are solvable problems at a regulatory level. But at some point, it may be more cost efficient to simply nationalize the under-performing industry. Perhaps Coca-Cola just can’t cut it making soda drinks anymore, and the firm needs to be broken up and devolved to the various states as State Soda Bottling Company