Thanks to technology, we get to read about the teens on Flume, thanks to technology, they got to call for help.
On the other hand, how many times do you think teens have jumped before they leaped before cell phones and Al Gore gave us the WWW.
It's what teens do, I seem to recall climbing the local hill that overlooked the highway and had every school's graduation class on it. To change it your school and year, it required going at night (plenty or light pollution from the highway) carrying paint & a few Green Monsters back when the age was 18. (we were close to 18 & quite clueless)
Did everyone else start as a four season hiker? I know I started as a three season hiker (did hunt in the fall and winter so had some clue on being out but not about how it changed in elevation, except on Mt. Washington where we all here about the weather there) and slowly started earlier, looked at winter in CT before jumping into NH & NY winter hiking. Hopefully they learned a lesson.