Your reasons are thoughtful. Children live their childhood once and with the digital age, the innocence and carefree reality of being a child oblivious to the dark side of life is so easily stolen from then. Why expose them so early when it will become part of their reality soon enough? When will they create an ideal world or believe in dreams and myths if not during their brief childhood? When will they laugh wholeheartedly and live carelessly if not during their childhood?