To me she is demonstrating what should be the standard for kung fu in general. She trains at 100% with precision. Moreover, she uses traditional tactics and footwork, kickboxing, and weapons training to round out her game. To me, that is what makes Kung Fu a superior striking art, but too much 60% training is allowed and accepted to turn a buck. One of my favorite lines in movies says it all...
http://www.youtube.com/watch?v=jjo_jTVKMcU.