So, what shall my mind make of the story, since this is the most popular version of Athene's birth? In some respects, some people may believe the Titans to be natural forces of nature. In this case, this is what I believe in regards to Metis. When the Olympians came to power, we see that Zeus gained epithets identified with order. Therefore, Olympos basically brought order to everything in existence, as the Gods thereon ruled over existence with the minds and abilities to direct it. When Zeus "devoured" Metis, what He actually did was to take in the existence of wisdom itself, in all its forms. Into Him went the supreme wisdom of the universe, as one would expect the Father of All to have and gain, and from that, He created from His mind Athene. From the mind of the highest divine was created the Goddess of Wisdom who would rule over wisdom in all power and consciousness. Olympos had once again gained order and authority.
It is not to say that the Titans themselves were chaotic, for we still worship some of them, but Olympos certainly brought a new rule of order. If you're a Hellene or someone who has ancient Greek influences in your religion, I hope I have provoked thought and philosophy.
In the Goodness of the Dodekatheon,