I don't think that has anything at all to do with it. Kids are afraid for their future, and are getting their every action, and thought put on the internet where they can and do get bullied.
I think that is 2 sides of the same coin.
24/7 social media. Is the result of the loss of third places, and personal freedom to roam. Ofcourse everyone beeing a mobile survailance tower with their smartphones does not help either.