Relax, I was joking. Replace "go fuck yourself" with whatever objection you want. The point is that the sub would certainly not allow herself to be subjected to such nonsense.
For the same reason that a master might punish a slave for sluttiness even if he was the one who told her to dress that way. Because it's part of an elaborate pretense, the goal of which is to set the stage for discipline as pleasure.
It is the same concept, it has different construction. What you did was change the construction back to the original, making it non-sensical.
- FS