The "social pariah" thing is FUD. It's just people repeating what other people claim to be afraid of, and then becoming afraid of it themselves. Kids can be shitty--if they want to exclude someone or bully them, they're going to do it whether or not the victim has a cell phone. Conversely, if people will only be friends with you if you have a cell phone, then I have some bad news for you: They're probably not genuine friends.
You may consider it FUD, but that was 100% my reality. It's not about people only being friends with you because you have a phone, it's about the shared cultural experience that a group of kids have because of some media they have access to via the phone.
In my case (graduating high school in 2016), I wasn't allowed to watch TV, listen to the radio, play video games, or use the computer at all until I left for college. And especially as an adolescent, those were basically the cornerstone of all conversations between my peers. I never knew what anyone was talking about, and could never really bond with anyone over really anything but sports. And when smart phones became a popular thing in my age group, again I had no access to that or any of the media that it led to.
I will say though, as alienating as it was at the time, I don't particularly regret it because most of what I missed probably wasn't super important, and I think I gained an accurately cynical view on the content media machine as a whole. But I absolute rue the massive difficulties I had building social connections because of it that continue to this day.
