What you are seeing is a pure hoodlum behavior, sheer gunda-gardi.

No person has the right to impose themselves upon any other person. They have the right to tell the jay-walker about the violation he committed, but they have no right whatsoever to touch him, push him, and forcefully stop him. Heck, even cops don't have that right but in country like ours, it is given that those rights aren't much cared for; but these kids absolutely have no right to harass the jay-walker like that.

I am surprised there are even people supporting this.