This is a parody, right?
Piling has proven inneffective in practice against other birds and is expensive. Whos paying for all of that?
Im a goose hunter and goose farmer. Ive never seen a goose under a shrubbery of any sort and based on observation can say geese are flat out afraid of bushes. That wont help. Are you planning to send agents out with some kind of aquatic lawnmower for the cattails? Aquatic herbicides? Now youre disturbing other wildlife and habitat. Good luck with the other ALFs?
I work as a weather observer in Alaska. I have noticed a significant reduction in flocks flying overhead.