I'm pretty sure that even in the context of the story, the whole Red Sea thing violated the free will of the Egyptians who drowned in it. Not to mention that this follows immediately after ol' YHWH deliberately suspended the Pharaoh's ability to exercise his free will by hardening his heart. Multiple times.
At the age of five, Skagra decided emphatically that God did not exist. This revelation tends to make most people in the universe who have it react in one of two ways - with relief or with despair. Only Skagra responded to it by thinking, 'Wait a second. That means there's a situation vacant.'