well where he is right he's right
They are two unrealistic games in unrealistic universes that can be changed by the almighty powers of the makers(AKA LucasArts and Bungie, microsoft, etc.)
They are based on human imagination mixed with facts.
But who cares. let us have our fun.
Who knows one day one, or both, of these story could become reality(except the "long, long, ago" part) *plays old "The Twilight Zone" theme song*