I think on this one I side with the police and the Kelly's, the owners of the Scotriders school.
I tend to second this.
If you didn't know what their game is you might not realize they were attacking until you were getting gored.
In Germany we occasionally have that kind incident too. Hand raised bucks are especially dangerous as they are used to human beings. People usually find the buck closing in and rubbing against them cute. They regularly change their mind after getting injured. I think that Bambi attitude contributes to a considerable amount to those incidents. People just donīt think that small plant eaters can be really dangerous.