Earlier quoted context omitted.
Something this ridiculously damaging needs to be banned outright. If I were a corporation making products of this sort I'd rather tell my shareholders "Sorry, environmental regulations prevent us from making that product" rather than "We decided to abandon a profitable product line because scientists told us to." This is the same principle behind architecture review boards for cities. If the architect has peers to su…
The damage is speculative so far. It remains to be seen whether any significant environmental damage has been done. The mere presence of plastic particles is not enough. Marine life has dealt with particles in the water for a billion years.
The damage is being documented, and it's far more obvious with larger contaminants, the most prevalent being plastic nurdles (https://en.wikipedia.org/wiki/Nurdle) that sometimes escape into the environment.