The reason for the increase in inland cormorants is perfectly simple, they have adapted to the environment which man has affected, to the extent that they can now survive better inland, not only survive, but thrive. They can not live in seas denuded of bait-fish, huge masses of which are extremely wastefully used to feed farmed salmon, stocked rainbows, and various other things.
All these people want to "manage" things as they see fit, but the fact is that they are unable to even manage themselves.
We have large contingents of people abroad killing and destroying things, mostly other people, but are apparently unable to do anything about convicted terrorists freely roaming our streets. Or even about common criminals, who apparently enjoy more "protection" than any "average" law-abiding person.
Simple common sense no longer holds any sway.
TL
MC