If I wanted No Country For Old Men, why would I be upset about a closing monologue?

The problem is that almost the entire Two Face plot was told to you through monologues. The facts, who the characters were, how they felt about one another, their importance, etc. Everything was told to you and in many cases, what we saw didn't support what was being said.

It's completely different from No Country for Old Men in which we were shown everything and the Tommy Lee Jones character was almost like the chorus adding a layer onto the action.

And the last part of your post has nothing to do with the discussion (and is dead wrong).