User blog comment:The Milkman/Mass Effect in Retrospect/@comment-24174486-20130416213139/@comment-4237253-20130417115530

It's called an argument. They have opposing viewpoints. They are in conflict. Hell, it represents the Reapers. Would you seriously say the Reapers are not opposing Shepard in any way?

An antagonist can, at some point, agree or consent with the protagonist, especially at the end.