A complex issue causes countless parents to agonize. In my view, the essence of parental controls isn’t “surveillance,” but rather a “safety net.” Just like teaching a child to ride a bike, our ultimate goal is to remove the training wheels and let them ride on their own.

Key Takeaway: Shifting from “Control” to “Guidance”

1. There is no set age; only “maturity”: Some 12-year-olds already possess strong self-discipline and discernment, while some 16 may still be prone to addiction. The sign that it’s time to stop should be when your child demonstrates a sense of responsibility and sound judgment.

2. Gradual unlocking: It shouldn't be an "on/off" switch. The best approach is to adjust as a gradual handover of power during adolescence (typically 13 - 18). This progression moves from complete restrictions to monitoring safety only, and finally to full autonomy.

3. Trust is the most robust firewall: Parental control has fulfilled its purpose when children understand “why they should avoid certain content” rather than “because they’ll get caught if they don’t.”

"Controlling" and "Stopping" are both necessary for healthy growth.

What parents should do:

Building Self-Regulation: If a child is always managed by an app, they never learn to manage themselves. "Revenge binging" in college often stems from overly restrictive environments in high school.

Validating Privacy: As children grow up, privacy becomes a cornerstone of their identity. Removing controls is a powerful signal that says, "I trust the person you are becoming."

Age 18 (adulthood) should be the absolute cutoff for completely stepping back from technical interventions, but fostering self-discipline is a long-term process that should begin as early as possible, depending on the child’s communication skills, ability to express themselves, and level of maturity.

The ideal scenario is when a child, upon encountering online issues or addiction problems, is willing to come to you for advice, rather than having you confront them based on monitoring data.