This is why I hate seen remote control cars on our jumps and ride areas. The guys who run them don't understand when I annoy them and get them to leave. Usually, I just keep repeating that if the car is in my way I will ride over it. After a couple times of saying this, they usually leave.
http://www.motion.tv/video/000012ba/owned-2-video.html
http://www.motion.tv/video/000012ba/owned-2-video.html