Isn't that GP's point? Parents in 2022 have a dramatically reduced ability to prevent their children from staring at a screen all day everyday. Even in school, they are glued to their screens. Even if you don't provide them a phone, they have cheap and easy ways to obtain their own.
Edit to add: The dad forcing his kid outside no longer stops them from staring at the screen all day.
Edit to add: The dad forcing his kid outside no longer stops them from staring at the screen all day.