Of all the silly trends this one sounds very benign. They aren’t hurting anyone. No one is bullied. They don’t sound particularly loud or distracting to others not interested.

Coin boys, keep doing your thing. Even if I’m not into it, be the most awesome Coin boy you can today.

Kids have always had a thing. This is not new. When I was in school 40 fucking years ago, Christ I’m old, there was a yo yo phase, a rubber band / paperclip phase, a bloody knuckles phase. I’m sure more that I’ve forgotten.