The BBc can't decide one way or the other. 50% of the votes come from the viewing public, many of whom presumably have brains and can think for themselves and will not just vote how Bruce or anyone else wants them to!
If she does win it will be because on the showing so far she has been the best dancer, and by all accounts has put in a vast amount of hours and is working really hard, and because she gets on well with her professional partner, who is a great teacher, listens to what he tells her unlike some of the others.
I am not an Emma Bunton fan or a Spice girls fan at all, but I do believe she should be allowed to prove herself, and so far she has done just that!