If nothing else, there doesn't seem to be a negative reaction, though it doesn't seem like Daud's particularly enthusiastic about the theory. Who would be?

"The book was explicit that dragonborn couldn't be made unwillingly, and that attempting to do so would end in madness or failure," Daud states, less to counter Strange's point, and more in the lines of reciting a fact. "Then again, the dead usually can't give their consent either way. What makes you think we aren't the other thing? The Scaleskin."