I never joke about killing kids, I joke about taking their butts back to school and teaching them abt human decency/respect since their parents seemingly won't do that.
The point is that people can spend their OWN MONEY HOW THEY WANT. Furries are not using your (debatably existent) bank account to buy their fursuits and/or supplies to make their own fursuit.
If somebody who collects baseball cards bought a whole set of them, would you ridicule them for their hobby and call it a waste of money?