This and a half.
I have twice in my gotten on horses that went like that and my first impression was 'get me off this horse, now!' Both were moderately successful eventers in their past life but that tense, pacey, flippy head business makes me turn green.
These horses need a soooofffftttt stable rider. I know that I sometimes need help and they may be willing to cover for me, or they might rear. They feel like they'll rear. I don't like rearing.
I totally felt for that rider 100% of her body language says 'get me off this horse... Now!'. I think she had a bad draw and didn't have the skill to handle it. Stinks for her to have mastered 4 other sports to lose it in the draw for riding, but at least she knows what to work on