The Bible Said it first: Bad associations spoil useful habits.
It has been shown that parents have little influence on their children. They listen to their peers.
I don't see anything unique about Watchtower control.
All corporations have you sign non-disclosure forms. Organizations demand loyalty however they define it. Every group has a line that you can't cross.
If you are truly independent most likely you are very alone maybe even schizophrenic.
The real job is learning how to identify truth. That's where science can help.