These type of parents are professional actors. They can show you a so good and nice face in front of you and with their children, that most of people won't see the abuse, when the door is close. Mainly when the parents are a part of whatever industry with money. They know how to play with the camera, to appears which type of persona, or not. So not difficult for them to lure the others people.
it didn't prevent that she has filming this with some of her family members. See? Everything is possible with these type of shit. They know how to operate and make good communication.