The Argument From Ignorance doesn't mean that the person making it is ignorant, but that the argument they are making relies on ignorance to make it work. For example, "I have no idea how electricity works, so it's probably tiny invisible magic imps".
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.'