Yes, that is the only respectful thing to do for a really young child, ages 5–6 or younger. However…I also think children can make their own decisions about their hair cuts at a young age and if the child really wants to cut their long hair or grow out their short hair, the parents need to respect their autonomy to make some of their own decisions. I would allow my child to make their own hair style choices by the age of 7 or so.