 What is the most dangerous aspect of the neutroids and other mutant animals?
Conditionally Human By WALTER M. MILLER, JR. Illustrated by DAVID STONE [Transcriber's Note: This etext was produced from Galaxy Science Fiction February 1952. Extensive research did not uncover any evidence that the U.S. copyright on this publication was renewed.] They were such cute synthetic creatures, it was impossible not to love them. His wife was in a hurt mood, and he could neither endure the hurt nor remove it. His wife was still at the table, absently fingering the handle of her cup and staring fixedly out the window at the kennels behind the house. The shoulder shivered away from him, and her dark hair swung shiningly as she shuddered. "You knew I'd have charge of a district pound. "I didn't know you killed them," she said venomously. "I won't have to kill many. Besides, they're only animals." " Intelligent animals!" "A small child is an imbecile. "You're taking intelligence as the only criterion of humanity," he protested hopelessly, knowing that a logical defense was useless against sentimentality. But think—we get this house rent-free; I've got my own district with no bosses around; I make my own hours; you'll meet lots of people that stop in at the pound. They looked over my aptitude tests and sent me to Bio-Administration. If I don't want to follow my aptitudes, the only choice is common labor. "They assigned me to it because I liked babies. And because I have a B.S. in biology and an aptitude for dealing with people. Destroying unclaimed units is the smallest part of it. Honey, before the evolvotron, before Anthropos went into the mutant-animal business, people used to elect dogcatchers. Think of it that way—I'm just a dogcatcher." Her face was delicately cut from cold marble. She was a small woman, slender and fragile, but her quiet contempt made her loom. He ripped the splinter loose when it became obvious that she didn't want to be kissed.
 Their cute appearance makes it easy for humans to get attached to them, and mass levels of attachment could potentially thwart current methods of classifying members of society.
 Because they are grouped together in isolated areas, it is possible that they could use their adorable appearance and innocent demeanor to hide the fact that they are conspiring to overthrow the society.  Because they only live up until a certain age, they often act with a level of invincibility that is threatening to society and its systems of social stratification.  Their cute appearance causes others to underestimate their high predatory instincts and behaviors, and many injuries and deaths result because of this incongruency.  Their cute appearance makes it easy for humans to get attached to them, and mass levels of attachment could potentially thwart current methods of classifying members of society.