She said she believed the police were preparing to have the horses walk toward them. At that point, she said, she was sprayed
Duhhh.
You play stupid games, you win stupid prizes.
In the Middle Ages, knights rode horses trained to kick and rear to fight with their front hooves on command. I would not want to be a foot soldier trying to unhorse a knight.
There was a weapon especially designed to cripple a horse and bring him down, but you had to get close enough to get kicked first.