I wouldn't call it stupid, everyone has their own methods and we all know horses are weird creatures.
Jynx has been a trail pony for over a year now, we ride through dense bush almost daily in summer, she gets wacked by sticks, and leaves and branches and all kinds of foliage. One day I broke a stick with some leaves off and held it down in front of her nose to see if she wanted a nibble and she went BALLISTIC. You would have thought I was trying to electrocute her - she started spinning violently, throwing her head, backing up and snorting and doing everything in her power to get away from it. I ended up having to carry the stick home out of her sight, then get Shay-la to dismount and desensitize on the ground and then transfer it to me to keep her calm! You would have thought we were trying to kill her with that silly old stick!
Either way I adore this video and that woman is an unbelievable rider.