Doesnt matter what we do as individuals when some nations Cough China Cough have entire fleets of state sanctioned and sponsored illegal fishing/trawling poachers.
You can literally watch hundreds of them gathered on the MarineTraffic app and thats only the ones being tracked.
They just go planet to planet like locusts consuming all the resources and then moving on. Whoops, got a little carried away there. But you get the idea.