I think only people who never been to a beach think that plastic straws are in any way a significant part of plastic pollution problem.
It's always mostly plastic containers like bottles, plastic bags, fish nets and some random broken pieces of something bigger. Almost never straws.
https://i.wpimg.pl/3500x0/d.wpimg.pl/355768210-77880789/zani...
https://cdn.shortpixel.ai/client/to_webp,q_lossy,ret_img,w_7...
https://media.istockphoto.com/photos/garbage-on-the-sand-bea...