Their exposure will still be much less than someone who gives them free reign and lets them sit in the livingroom staring at a phone. They won't be staring at the phone distracted while they're hanging out with the family.

Hiding things from parents is a far bigger problem than staring at a phone in a living room.

No it’s not. Everyone hid things from their parents. I hid soooo much from my parents. It’s fine. It’s normal. It’s far more important to have limited exposure to modern smart phones.

The people who say things like this inevitably are the ones who spend ten minutes with a therapist and the therapist’s eyes go wide

What, exactly, is so problematic about not telling your parents that you smoke weed with your friends before playing video games? What, exactly, is so problematic about not telling your parents who are dangerously religious, that you had sex with your high school girlfriend? These are all normal, innocuous activities of teenagers. A therapist would not think twice about hearing them.

Indeed, I might have done the same. At least that will be a challenge, lacking smart phones.