I do find facebook and other social medias are crappy, through I have different opinions.

I'm sorry if you've been ignored and accused. However, I think it is depends on the friends or groups you're in. Most of my friends are peoples I know in RL. Mostly gave no dramas, trolls, or any other gossips (in the facebook, not in RL). If I found those people who participate in long arguments or trolls, I simply ignore them.

My own reason to deactivate my account is simply because I feel depressed whenever I logged in. Seeing my fellow peers whether in vacations, getting jobs, working on their startup, hanging out, or got any achievements. Those make me jealous and envious.

Sadly if we really know the persons in RL, those photos are fake (not photoshopped, I mean they're just pretending to be happy with their lives). Not all through, just mostly. But it still could make me envious.