This is a no brainer. They’re leaving to get away from their Parents.
“...leaving to get away from their Parents...”
This is 100% correct; that is what I tell people as well if the decline of Facebook is mentioned. My 15 year old says it’s not cool anymore and they all like instagram, twitter, and snap chat. Personally I never bothered with Facebook - too much obsession with pictures for my liking. It reminded me of a never ending annoying Christmas type news letter where people boast about their lives and only touch the surface,