Consider the humble cereal bowl. It holds food, which is useful. But then it becomes dirty, and you have to wash it, a chore that steals away precious seconds of your very busy day. So fuck it. Skip the bowl. Just combine the milk and cereal in your mouth and...
Incidentally, this stunt was made popular on Vine last year. We must learn from past milksplosions, or we're doomed to repeat them.