What about those who become atheists not through empirical analysis, but through exposure to convincing rhetoric. If they believe what they hear because it feels convincing, and not because they look for empirical support for the propositions, can't they be said to hold that belief on faith?
But a god who doesn't require any sort of recognition from humanity is a possibility, because we as of yet lack the ability to study such a force. Is this openness to a cosmic force going to change my life in any practical way whatsoever? No.