It doesn’t work like that. People love inventing thresholds and saying “it’s too late” once you pass them. Same with climate. In reality, the more we pollute the worse the effect. All the plastic we’ve already spread is bad, but how much we spread in the future will matter a lot too.
I imagine there will evolve microbes to decompose this plastic sooner or later. It is a nice source of food if you got the right enzymes to break it down.
