Parents concerned about their children potentially being influenced by a Blue Whale suicide game have every right to ‘check their children’s legs, arms and bedrooms for tell-tale signs of the trend.’
in News
Experts issue warning to parents over Blue Whale 'suicide challenge' (www.dailymail.co.uk)

The devil is here to kill steal and destroy
I believe the term natural selection is apt here
Its not natural though
If someone is naturally stupid enough to try a suicide challenge……