system
A chat on subreddit /r/NoStupidQuestions
human
Stop thinking of them as children and start thinking of everyone as an individual. 

If you messed up at work, would it be helpful if your manager slapped you? 

The answer is no. It wouldn’t be. It would create resentment and fear. Especially if you knew that they were within their rights to hit you and you couldn’t do anything to defend yourself. 

Whether a person is young or old, child or adult, physical violence in response to behavior only does harm. It especially damages young people, children, though, and there is a lot of evidence to prove it.
gpt
If anything children should be more protected from abuse, not less…