so you think that the traitor player now plays the house rather than the traitor? That's one way to see it, I guess. Good idea.
Exactly that. Obviously it depends on the individual haunt, but what motivates the traitor and who you as the player represent (be it your traitor piece or some other evil) can change for each game. I've won games of this that thematically didn't really sound like winning from the story, but that just made it more interesting!