Just like climate change, the drive to do away with plastic is 100% lip-service too.
None of the supermarkets will stop using single-use plastic, etc, etc, etc. Plastic will continue to be ubiquitous and over-used and we simply will not stop harming ourselves and all other life on this planet.
Because we don't want to. It really is that simple.
e: Hell, even mentioning our over-use of and total reliance on plastic elicits roll-eyes when you bring it up. People just don't want to think about it or hear about it. Because they don't care.
Yes. There are things that are so easy to do. Having 6 pack multipack crisps as just buying 6 normal p packs gets you the discount. If we can't even do that is never going to change