Sadly, many small businesses are basically forced to be in order to be found/relevant.

We are talking about teens.

Very true, and also, no businesses are literally forced (by the law or otherwise) to use social media. They voluntarily do it for the imagined or real business benefits.

Yes teens are forced to use social media or miss out on interacting with and making friends.

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.