That's a good idea...and then the Battle Dome allows for quite a few battle simulations. It's almost like an elaborate genjutsu that you can customize...and it stops the program once the person training in there is rendered unconscious to ensure that no one is seriously hurt.

[Much as she likes how peaceful it is here, she has been keeping up with her training. Peace is worth fighting for, and better she fight than someone who's had a mostly peaceful existence.]

So it would be possible to give her a practical demonstration of why something would or would not work.