Poor girl, my daughter would find it funny as she's does when anyone gets hurt. I can't laugh at it though. RC cars and other things are really cool. I once had a Lab mix that was a frisbee chasing fool. When he was Ten, I took him to the Oklahoma Disc Championship contest. He was cooling off in the pond and some guy with an RC boat kept buzzing circles around him. The operator of the boat was just laughing his rear off....till it ran out of gas. My dog swam over to it and slapped it one time and knocked it down under water. It bounced back up and he did it again. Maybe around 4 times. The owner of the boat was screaming at him. He was yelling at me that the water would get into the motor and mess it up. I finally told the dog to "bring it to me". He grabbed it up in his mouth and brought it over. The guy was crying about damage and wanted me to pay for his repairs. I laughed at him and told him he's lucky he had anything left. As an adult, the guy was not smart enough to think about the consequences before he did something. I can understand a child not taking the time to think about it, but as an adult, please.
I hope the girl in the video was not hurt. As a Father, I know I would have had a few words with the owner of the car that hit her. I also hope the owner was smart enough to check to make sure she was alright before checking the status of his toy.
But, RC's are cool, just like anything else, some of the owner/operators have no business with them around other people.
Share some pics of your car with us sometime and give us some detail on what she'll do.