This is what I was thinking! Are you as a CM allowed to report something like this, because that IS TOTALLY abuse!!!! That poor dear! I'm sure she was upset enough WITHOUT having to be pushed down! You were a good deal more level headed about it than I probably would have been.
I've said something similar before.
I can report it to management and security and then from there its really up to them to handle it.
I am sure the official public policy is different than actual policy. You actually bring up a good point about being allowed to report that.
Disney have two very different faces, there is the face that projects a positive image and would probably go along the lines of if the CM wanted to report the issue they are free too, however, in reality Disney does not want to get involved because of the legal issues it could possibly cause.
That is just my opinion and not known fact, its just based on observations and comments.