I was baptized for that reason in the summer of 1974 at a young age of 13.
I was also baptized at ripe age of 13 in the spring of 1973
( same location perhaps ;).
They want to be able to usurp the authority of parents.
Absolutely!! Watchtower wants to control young and old. Once I got baptized, then I started to get groomed for the pioneer work. The push to pioneer came more from other members of the congregation than from my own parents.