I think she's gotten the point and is taking the right steps to work with her horse, guys. Telling her it is her fault is pointless. It's not. She just needs help and a set of eyes on the ground.
I agree about getting someone to come out to you once a week. Maybe you can work off chores at a barn in exchange for the lessons or do chores for your mom. Having "homework" to work with, I find, is very helpful.
In my opinion, it is even better than sending him to a trainer because not only will Clippy be learning, but so will you. :)