Contrary to popular belief, free upbringing, giving the child complete independence does not at all lead to the development of independence. A child to whom you have given complete independence is just a child left to any other influences. And who is responsible for what they will be?
Independence must be provided in doses so that the child can cope with each portion of independence. And by providing conditions so that the child in a difficult situation does not go through psychological defenses, developing the position of the Victim.
One of the ways of upbringing independence worked out in culture is the army style of upbringing.