He did it for us, in order to show us the nature of our addiction and the power of the lie in which we lived. Hashem exposed both the Egyptians and their gods. The creativity we refer to is undoubtedly the humor and playfulness in the humiliation of the Egyptian gods. He killed their firstborn. This is the culmination of the first lesson.
Slavery means death.
Addiction means death. The worship of ungods means death. Let this be clear and unequivocal. He gave us their money. It does not say gave us their wealth, rather their money.