1. No, because in today's world, people can do whatever they want with their children, it is their responsibility to take care of them and to let or do not let them explore the world.
2. Nothing that they can make use of, they will only get hurt if they play with fire at a young age.
3. Playing in the dirt, this can make their immune system stronger.
4. They decide where they want to take their children and what they want them to do, The best thing parents can do to protect their children is to let them explore according to their children's age.