It’s actually not used everywhere: Cellophane is quite common as its permeable to water vapour but pretty much only that. Bio-sourced (cellulose) and compostable and you’re free to throw it in paper recycling as they’re used to fishing it out of the sludge (it’s what transparent letter windows are made of). And compostable here means in your own backyard, no industrial high-temperature composting needed.

Many plastics can’t readily be replaced but cellulose and lignin based stuff is at a stage where it can fill many many roles.

Also don’t forget metal, especially stainless steel. Glass if you want to look inside. All that will need regulation as currently producers are happily externalising costs.

Now if someone would produce stailness containers that are on the same performance and general engineering level as lock&lock.