> We just need it to be hard enough that most kids won't do it.

Silly though that sounds, it might work. Because it's social pressure from other kids to be online that drives many kids into being constantly on Instagram and Snapchat. If you're not online, you don't know what's going on. The big social networks monetize FOMO.

If a sizable fraction of kids aren't on social media, that's not where it's happening any more. The pressure goes away. Or goes elsewhere.

Validating your comment.

Freakonomics did a podcast about what you are describing.

https://freakonomics.com/podcast/are-you-caught-in-a-social-...