You should write the association/club that is handing them out. And if they don't give a crap, take it to the AMS! This is outright animal cruelty... I'm sure lots of people have commented on how stupid it is but until somebody does something those goldfish are gonna keep dying.
Yeah I'm going to talk to our activities board(they're the ones responsible). What is AMS?
Alma Mater Society. Basically the same thing a an activities board, but in universities. Good luck! I don't see why they wouldn't hear you out if you present them with all the basic facts. Remember to go over that it has been scientifically proven that fish can feel pain and distress, and that the compound given off by fish waste, ammonia, will chemically burn them.