I have three kids. I am very present. I work from home and I’m constantly monitoring what they are using . Parental controls are a nightmare.
There are apps that are rated as ages 4+ but they have chat features.
There are apps you’ve ok’d them to use but requires the parents PIN every time they open it.
Screen limits randomly reset themselves. A lot of times that means you have allowed something that limit blocked and now you have to ok it again.
Imagine being out with three friends and you need to know everything they are doing on their phone and have to enter a password on it every 15 min.