You'd be suprised how often you can tell someone one thing knowing full well they won't do it but yet it comes off like they will. 'Maybe you shouldn't do this', 'Maybe it'd be better if I left', 'maybe things would be better if?'
Its all part of a wider plan and thats all I got from the movie.
My old boss would have wiped the floor with Pacino's devil. Just saying. And I have it on good authority there's been no accurate portrayals of Lucifer as of yet.