They are alluding to the opposite. The suggestion is that it's absurd to blame the mirror for actions that are clearly a reflection of the queen's own psyche.
Taken to this argument to its extreme, it follows that it should be legal for an adult to have sex with a consenting child. Most people disagree with this, recognizing that it’s obviously true that children are different from developed and aware adults, no matter how flawed those adults might be.
