I do not participate in social media. The closest I get are forums like CC where I remain anonymous. I just have never been interested in social media. Facebook is the one that disturbs me the most lol. I fought hard and got a LOT of flack about not having my daughter's pictures put on Facebook. I didn't want her entire babyhood and life plastered all over Facebook and subsequently the internet for a few reasons, but the primary being that I felt the Holy Spirit telling me very strongly not to allow this, and also that I want my daughter to decide what her internet presence will be when she's of the appropriate age, rather than her parents and relatives deciding for her. Yeah, lots of flack for not following the crowd and doing what everybody else does. (as a side note, I also really hate all the pressure of modern day parenthood where people want you taking pictures and video constantly of your kid)
I know that was a bit off topic, I apologize.
For being on topic, I think that people are far too wrapped up in their virtual social media communities, and it begs the question of how can you live a fulfilling life and have meaningful relationships with the people who are a part of that if you're too busy constantly staring at the screen and living inside of these virtual events and memories?
As Jesus talks about in Matthew 6, we should focus on living in the present, not the past or future. Being present in the lives of the people around us in a physical way, not just virtual, is what will bring fulfillment and happiness.
Another thing to remember is that even if it looks like someone has the perfect life when you look at their social media, that only tells a part of their life story, and it could even by a false story, one they fabricated. Everyone has troubles and no one has the absolute best, perfect life; that's something we can look forward to having in eternity with Jesus.
So if you feel led to delete your social media accounts, or you notice that they are bringing you down and distracting you from living and serving God to the best of your ability, then absolutely be done with them.
Personally, to me, a lot of what I see posted on relative's Facebooks (my husband has an account so I do see the posts sometimes) is what seems to be a lot of boasting, maybe even (if I dare say it) prideful-ness. I have seen social media be used for good though, I'm not trying to say it's all bad. Just that I wish people were less wrapped up in it, and more focused on living life and being there for the people in their life.