Frances kamm discusses the case of a scientist who works on finding a cure for congenital blindness and is motivated only by a bad desire for mastery to suggest that group of answer choices sometimes an action can be permissible even if it is motivated by a bad desire. sometimes the only way to cure a disease is through selfish desires. all actions motived by bad desires are impermissible. the desire for mastery is not, as sandel argues, a bad desire.