The scariest part for me is that there's essentially no escape from microplastics. If it turns out that they're greatly harmful, what can you really do?
Remember when RF was the boogeyman? Paranoia about microwave ovens and cellphones causing cancer and other illnesses?
Even the Antarctica is starting to see microplastics: https://www.smithsonianmag.com/smart-news/in-a-first-micropl...