However! "Less than half (45.88%) of the parents surveyed had used age-based filtering or parental controls to protect their children online. By comparison, 68.75% of children reported that their parents had set parental controls or helped them with setting rules for what they could see online."
I think the difference here is an artifact of how the question was asked of each group. Kids were asked if parents set rules for them, but parents were asked about using technical features, not if they set boundaries with their kids around screen time. #tljr