We cannot fix the fact that the patch is there no. But we most certainly can fix continuing supply of garbage to it. That is exactly the argument I put forth in a different reply. "Oh well; we can just fish out the garbage, so we don't need to fix the underlying issue of single use plastics." Complaining about the origin of the pollution is very much not missing the point.

I very much doubt the goal of an organisation like "The Ocean Cleanup" is to get to pick up garbage in perpetuity. I would very much hope, that its end goal is to outlive its own usefulness.