The Steelers are finding out that they are a passing team, whether they like it or not it's who they are. They have too many weapons to not be a team that passes to set up the run. There's nothing wrong with that, but our hope as to be that Arians will stick with what is working and not digress just because..we've seen it happen before.
This year appears to be different because the effectiveness of the passing game far outweighs the effectiveness of the run game as the focal point. Both are important but in this years team, it's a pass first mentality and run off of that.