As neither a parent nor a teenager, I find this a weird one to leave with me. I merely repeated some valid concerns, to which you presented no solutions, just snippiness.
What workarounds am I looking for? And for whom? Why aren't the people concerned looking for their own workarounds?
I don't think you really understand the extent to which restricting kids from social media can isolate them from their peers.
Even if you have a teenager who is social at school and through extracurriculars, many meaningful social interactions are happening online or through social media.
For example, almost every team/club these days has a "group chat", where kids spend time bonding outside of practice / organized events. Even if your child shows up to every organized event, they still may feel isolated due to being excluded from the conversations happening outside of practices.
Also, social media is the predominant force that is shaping Gen-Z culture. Being excluded from such a large driver of your peer's culture can definitely create feelings of isolation. Imagine if you had grown up in a household where music wasn't allowed, and how that could have made conversations with your peers more difficult. And social media is a significantly bigger cultural force than music was when you were a kid.
These are just a couple of examples, if you'd like I can list more ways that social media is semi-necessary for many kids to avoid feeling excluded.
I'm not saying this is necessarily always a bad thing (there are definitely strong arguments to be made for abstaining from some elements of society), but I would make sure you're communicating with your child and that you understand their social situation.
What workarounds am I looking for? And for whom? Why aren't the people concerned looking for their own workarounds?