1) Haven't you ever heard of the phrase "computer wizard"? NSA -- computers -- like, total tech geniuses -- wizard.
Get it?
As for Gandalf, Tolkien wrote to his son (as a Catholic, who takes this sort of thing seriously) that Gandalf was an Angel.
Point taken. Unaware of “computer wizard”, but understand the imagery of Tolkien.
That being said, what I mentioned about Harry Potter is true. Generations who have read the volumes have never opened the Bible and haven’t a clue to what is in it.