This is a terrible proposal…

This is a terrible proposal. No one should be allowed to boat up to a group of cormorants and shoot them because they happen to eat fish.
Have you ever taken a grade 9 science class? The ecosystem is a fragile one that works. When there are more birds, yes there are less fish, but eventually the cycle changes, and bird populations lower, then fish populations rise. It's a cycle.
Keep humans out of this cycle.
This is a disgusting proposition that only has concerns of people who fish in mind. Leave the birds alone. It is good they are making a comeback.
They are NOT a game bird.
They are birds that migrate and your proposal could impact much larger parts of the ecosystem if these birds are not left to migrate back and forth as usual.
Do not let humans ruin this.