What are the conditions that must hold for "revealed preference" to be a relevant measurement? In an economy dominated by cartels it would not seem to convey much information relevant to preference, given lack of consumer choice.
The longitudinal facebook/Instagram study that came out a few years ago found that those who abstained felt ostracized.
You sound like a boomer who says kids don't need a phone and should just go knock on another kids door to make friends.
And if kids hated social media so much as a group, they could just use group text messages - especially with RCS and 80% of US teens owning iPhones anyway.