Originally Posted by Myrthos
I hardly think that the single player 'mistake' of SotA is comparable. The single player mode was added after the start of the campaign because of all the complaints about it.
In Original Sin it was not clear from the Kickstarter, but it has not changed.
Then again the info that you do control both characters (or more) in single player mode was out there, amongst others in my preview of the game.