Why is the deus ex video game series reffered to as deus ex

"Deus ex machina" is a Latin phrase meaning "god out of a machine". Today, it is considered a literary cliche in which a difficult conflict is suddenly ended by an outside force. It comes from the ancient Greek comedic practice of lowering a actor playing Zeus onto the stage using cranes so he could randomly solve the play's problems.

In the series, however, the words are taken literally. After all, Deus Ex is all about humans turning themselves into gods by merging with machines.