Yes, but don't forget we're immoral godless heathens and our actions are the result of particles acting on each other dictated by random chance, so courtesy probably needs some Essential Being. Or something.
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.'
