I don't understand the point you're arguing against, so I can't evaluate your argument against it. What's the conclusion being drawn, in terms of what Dr. Yagami anticipates?
To be fair, theories in philological subjects are rarely about anticipation. It's not like you can just go and perform a few experimental tests or new observations.
Go zebras! Bevtvany grkg erzbirq nf vg unf freirq vgf checbfr.