We will not be able to go back in time and stop all the plastic from being created. We can't stop the motion of the ocean that puts it together in the current configuration.

We can't stop the human activity that causes plastic to end up in the ocean.

We can't stop the production of plastic.

We can't demand that governments force their population to behave in specific ways.

The issue is what it is. We can only deal with the situation as it is. The article details a plan and a possible conclusion in 10 years if everything works out. That doesn't make me feel like it's solved.