Actually parents could buy the app, because it seems interesting; and then forget it and leave it there to run for years. I mean from a marketing standpoint yo

Actually parents could buy the app, because it seems interesting; and then forget it and leave it there to run for years. I mean from a marketing standpoint you can sell it, and sell lots of it, but if you educate your users by saying that "by installing this app you increase the risk that bad people locate your children more easily, and then possibly kidnap them", I would doubt they'll buy it.