Sort of. My reading was that Misho didn't want her seducing people because, as an Exalt, she's far more seductive than a purely mortal woman, which might give them away. Just like Misho is far better at curing cancer than any mortal doctor.
Or at least any mortal second age doctor - presumably the better education, medicine, and infrastructure made mortal physicians much more effective in the High First Age (so I'd go with the time period interpretation of her comment.)