What good did the Word serve before the existance of humans, before anyone was around to appreciate it? The Word exists because of the human mind's ability to either perceive it (as one would believe if religious) or create it (as one who is irreligious would believe).
The Word, being God, does not need humans in order to exist. Remember, Jesus is the Word made flesh. Several things are said to have been from the beginning with God-- there's the heavenly host, the Torah, the Sabbath, among them