“But the topic of this thread was teen behavior”
Teen behavior does not just happen; it is a direct result of our own conduct.
Hefkeirus and lack of yiras shamayim by adults in some areas will breed hefkeirus in and lack of yiras shamayim by youngsters in other areas.
A kol korei only works if it’s a “lo plug”, no exceptions. Are you ready to give up wal-mart? If not, don’t expect the kids to.