Sometimes kids have a selfish, in the moment, mentality. Of course she thought of the perfect frosting for herself, first and foremost. And then of course, pleasing everyone else in pecking order down the cupcake line. Plus, even adults, make frosting errors. Was she using a frosting bag for a more professional look or just using a knife to spread it on? Was it warm inside? She didn't leave frosted cupcakes sitting on the oven as it cooled down, did she?