He's not talking about resistant vs. non-resistant. He's talking about trained attack vs. untrained attack.If every time that you apply a locking skill, your opponent just collapses down, how will you be able to train the counter and anti-counter?
1. You apply wrist lock with downward force, your opponent raise his elbow to counter you.
2. You change your downward force into horizontal force, your opponent turns his body to counter you.
3. You change your horizontal force into a pulling force, your opponent ...
The issue is how long will you stay in the 1 step technique training. When will you get into the combo training?