Earlier quoted context omitted.
This is where fun protests like https://www.bbc.co.uk/news/uk-england-bristol-43559636 and https://www.youtube.com/watch?v=eWz_p445Oh0 help. I've noticed a more concerted effort by supermarkets to reduce plastic in their packaging (it's still a lot though) and to provide "soft plastic" recycling (at their expense).
I had a girlfriend who unpackaged a lot of stuff she bought at the checkout so she wouldn't have to deal with the trash. I thought it was insane for a bit but no it's quite reasonable actually when you think about it.
I've seen it in Germany and Switzerland, but I have no idea how widespread it is.