Try treating public school kids like that and see what happens.
To put it another way, if you were minding your own business in a public place and someone came right up to you and put a drum up to your face and made a huge racket inches from your nose, would you be happy about it?
When I was that age, I wouldn’t have smirked, but he would be bleeding profusely. I was a farm kid with a bad temper.