Originally Posted by a d e p t
I seriously doubt that the change in storyline was caused by a demographic which would most probably not go see the movie in the first place. I don't see any links backing up those claims.
Personally, for me, it looks more like trying to get more ticket sales from a wider audience (consider the success of any other zombie/mutant flick) and maybe correcting the error that demons can be blown away using a BFG. :p
That just never made sense to me... even if it was fun to do it.