We couldn't have more different views on what the ego is and what role it has in our lives. I created the profile using this name, with my disagrement with the kind of ideas you express in mind.
(I'm an atheist too btw and a hardboiled anti-theist)
At the same time, I think at least that I can understand and see your point of view. (The essentials, in this particular case. I don't want to accidentally suggest omniscience)
Irrational behaviour, however it looks is always destructive to the self and that which is destructive for the self is always evil.
Rather than continueing a discussion on this forever, I will simply say that I see your Oracle as possibly being an interesting solution to some of these issues.