Errr... it's not law but it has been said by multiple sites. If you are different classes then forget it, it's just not possible. If you're the same class you have double up on companions and phase out of each other during certain parts. As far as I've read this quest arc is like this if not all the way through then most of the leveling experience. Please correct me if I'm wrong. And BT always tries to be subjective and tell it like they see it. There is a reason a lot of people trust their opinion. It is OK to be objective but you clearly cannot be. I want the game to be successful but right now it's turning out to be a 'not my cup of tea' affair.