Obviously, the bacteria were created in the Garden of Eden with the taste for nylon, so God had to guide humans to invent nylon for them to eat.
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.'