Okay, my statement was a bit reductive, of course different sports will prescribe different development paths for juniors, but generally speaking, if you're ove

Okay, my statement was a bit reductive, of course different sports will prescribe different development paths for juniors, but generally speaking, if you're overloading a 12 year old that still has a lot of growing to do, it will end up very poorly(either injury, stunted growth, or burnout). I did not say anything about juniors being prohibited from competing, healthy competition has immense benefits early on.