It couldn't hurt, but I wouldn't get your hopes up that it is going to actually do anything to change her behavior.
Pyromaniacs rarely want to voluntarily give up their matches and kerosene, and certainly NEVER after merely reading an article about the dangers of matches and kerosene.
Usually much more effectively to do whatever you can to separate the addict from the source of their addiction. Some old wise poster here told me years ago, "You can't teach an infidel," and I think that's about right.
