The article addresses this. Calling it "litter" puts the responsibility on the consumer, calling it "pollution" puts it on the corporation that manufactures the plastics.
Sure it does.
We can collectively shame people who spit gum on the floor. We could also enact something like singapore that carries hefty penalities.
Funny thing is that the waste is often found around the store and not nearly as much in other places.
I personally blame the company that produces the garbage with their branding on it and who has a profit motive to not deal with this stuff.