Religious people chose religion out of fear that religion could be right and they could really go to hell. They are fearful from the root and religion adds fuel to this fear, presenting guidelines to just narrowly escape eternal pain.
How horrible is such a God who wants to keep people frightened and scared instead of happy as they are. For those who promote this it is good, though – they have based their life on the fear of others.
Not afraid of anyone but God' means being afraid of everything!
Not only children believe in ghosts and magic and not only children are afraid. Religion has instilled fear in grown men, too, because it helps them control and manipulate them. There are the stories of ghosts and then there is religious advice what to do against such dangers – rituals, ceremonies and more.
Scriptures and religion install fear of magic and ghosts in children and adults.