This stuff has been going on forever. If you want to read some horrifying stuff done by pre-teen boys to other boys, read about British boarding schools of the 1800s. It happened in US schools all through the 20th Century. Heck, one of the Little House books describes schoolboys so dangerous that they almost killed a…

It’s been around for, well, a long long time. This piece notes that college sports in the US in the mid 1800s evolved out of games designed to haze freshmen: