The thing that made social media problematic was social combined with mobile phones.

Individually either would not have been that bad.

We have our phones without arms' reach nearly every waking minute, so the infinite feed is always within reach to colonize every free second.

Also now the social network is with you everywhere, if you're sharing content it has you preening for optimized pictures to share with your followers.

Instead of experiencing the thing, how to perform for the others that you're experiencing the thing.