I do believe that people open themselves up to depression through social media interaction. I think the recurring instances of worldwide suicide caused by these types of interactions is solid evidence for the case, but there are those that don't internalize results from their interactions online to such an extent.
I think there's a misunderstanding by many that what is said in these private groups, which are very easy to join by the way, is protected and therefore bulletproof. Just be careful when it comes to these platforms, and remember there's a difference between an opinion and a statement that can be tested for validity in a court of law.
There has been an increase in reports of incidents involving a social media challenge and guns that fire liquid projectiles prompting the Cassia Sheriff's Office to warn people it could lead to serious charges