> The problem with "let the parents decide" is that if all other kids in the neighborhood have phones and are on social media then unless you want your kid to grow up with no friends you don't have a choice but to let your kid also use social media.

This is why you find a circle of friends and like mind neighbors who raise their kids in a manner that makes you comfortable. It’s never 1:1, but it doesn’t have to be you against the entire world either. (Though it can certainly feel like that at times)