That's essentially what Richard Dawkins was trying to say in that execrable Expelled thing: that even if it were shown that life on this planet was deliberately created by some external intelligence, such an intelligence would have had to have come from somewhere else. Eventually you're still faced with the original creator having to have arisen via some Darwinian-type evolution anyway, and we only have the life of the Universe so far to play with.
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.'
