Plastic is not metal, it's a tangle of polymer subunits that get scraped off relatively easily. Whenever you scrape a plastic container with an utensil or fing

Plastic is not metal, it's a tangle of polymer subunits that get scraped off relatively easily. Whenever you scrape a plastic container with an utensil or finger, or even just from water being poured out of a bottle, a small amount of microplastics is released, and I think we can agree that chewing is a WAY more abrasive of a process.