I do not use any social media for this reason. I do have a FB page. I call it "The Graveyard," because the only people who still attempt to reach me this way are either A) acquaintances, whom I have no use for as a reclusive and B) past abusers, stalkers, other obsessive toxic people. I actually tell (real) friends that the reason I have it is to use as a toxic people spider web. People find me there, they try and try, and then they don't keep seeking me out elsewhere, or they return there when they get the insane urge to keep messing with me.
The reason I went no contact with my primary abuser--while we lived in the same damn house--was because of this effect of seeing my abuser interact with people I love, and these people being so accepting and welcoming of him. Enough of them knew enough (I have no idea what they knew; I wasn't allowed the luxury of disclosing my own effing trauma in my own effing words) that it just pushed me over the deep end. The really deep end. The dissociate-for-hours-daily-stop-sleeping-for-days-eat-less-than-400-calories-a-day-living-in-constant-panic deep end.
I don't think I will ever participate in any widely-used social media (exceptions are niche forums like this one) where I might potentially be discovered by my abusers. I don't find social media valuable to me in any way, though. I do not need to know what your "status" is. If we're friends, text me. If we're not friends, go find a life and live it, or at least leave me alone to live mine. If I need to be reminded that your birthday is coming up, or I didn't know you were getting married or having a baby, or if I haven't talked to you since OMG HIGH SCHOOL, RIGHT?!, then you are probably not someone I care a whole lot about. Plain and simple. The only reconnections I have made through social media were toxic, trivial one-off "hellos," or just bad decisions to contact people I do not really need in my life.
Sorry for the diatribe. My head's been a little off lately. But seriously, is it worth it? If I see a photo of my primary abuser's face, I will have emotional whiplash for days or weeks. Screw that noise. I would rather take a hammer to my thumb. It would hurt less and heal faster.