What do you think about the way this played out?

This video shows a fare dodger being taken off a train by another passenger in Scotland a few days ago please note there is strong language in this video. The teen was swearing at the conductor repeatedly after being asked not to and told many times to get off the train. Another passenger then asks the conductor if he wants him to get him off the train. The reply was yes and the kid was thrown off the train. No punches were thrown. The kid’s dad has now filed a complaint and police are looking for the man who took the other passenger off the train. Who is in the wrong here do you think?
Do you think this sort of thing is just a waste of police time? If the kid had not been taken off the train then surely he would have been arrested anyway right and been taken off the train in the same method by the police? What do you think?