I quit using Facebook about 4 or 5 years ago, mainly because I simply don't care to know that much info about others. I would deactivate my account, but I don't remember my password, or what email I used to sign up. So if anyone has sent a friend request and gotten no response, that's why.
But I tell everyone in my family, and circle of friends, if they want inform me, of anything, just call me.
I have no intention of ever using Facebook or any other social media.