This is a design for a modular storage system. If food packaging was modular and universal, it would make for easier storage and use. Think of how easy to integrate if standard, such as power cords. There can still be multiple brands of items however having a universal fit meant for food packaging it would store more easily and waste less - space, food and plastic. You can raise awareness by imprinting recycling info AND having a financial contribution from each item go towards https://www.theoceancleanup.com/ or similar - so as creating better plastics, help reduce those in the waste stream. This becomes a win-win as a social cause to those companies that participate.