Some flaws...

[Kedjane]

If you didn't kill her directly it wouldn't be as powerful and if she was alive they would have to give her a proper model and animate her, would take a lot of work. That's probably the reason you don't meet any live NPCs in the game, other than Tuurngait which just go straight at you and try to kill you. If she was alive they would have to animate her and lots of stuff that could go wrong.
Also having a button like that making the game multi-choice would require two entirely separate stories, also tons of work.