Except most people's natural reaction when they don't understand other people's value systems is not empathy - it's criticism.

It happens on a much lesser level with food, music, movies, etc - the reaction from a non-fan to a 15 year-old girl's declaration that she loves One Direction is not "ok I see why someone could like this music and why this tribal affiliation is both socially useful to a teenager" but rather

Snapchat is the technology version of One Direction for a lot of adults. But also remember many adults couldn't understand why teenage girls went crazy for The Beatles in 1964 either.