They are permissive, because “as an indulgent parents, have few demands to make of their children”.
“We climbed under the fence and kneed around Dad while he petted the cheetah… The cheetah licked my palm his toungue warm and rough, like sand paper in hot water.”
This quote symbolizing that the Walls kids can do everything no matter it is good or bad, safe or eathly. Even their Dad allows and lets them do it.
Their parenting style has also “rarely discipline”.
“She had Dad’s pistol and she pointed is dead at Billy…
“We’re going to Phoenix… Tonight.””
One of the best exemple for the permissive prenting style is this