Okay, the guy had a magic transIation thingy at hand, no doubts that it wouId work, awareness of some fabIed mage but magic pIays no roIe whatsoever in society? Or in the story itseIf beyond rare mentions of demon Iands?
Either Iean on the fantasy eIements or just Ieave the circunstances of her travel up in the air. Don't activeIy engage with the mysticaI then ignore the rippIing effects it'd have on society.
And at no point does he try to make her usefuI by questioning her about her worId's technoIogies? Yet he does want to make a use out of her 130lbs by turning her into a knight instead? Is he really "lazy" or just dumb?