Dehumanizers make targets appear deserving of abuse and never entitled to humane social treatment.

Evidence

Dehumanization of Whistleblowers and Scapegoats common Narcissistic Abuse tactics (Flying Monkeys Denied)

corroborated: 2 independent passages support this claim
XREF: connects to: Accusations of extreme wrongdoing can dehumanize scapegoats. — Lynley Hood, A City Possessed, 82; Dehumanization causes perpetrators to perceive victims as nonhuman and therefore not entitled to moral obligation — Dehumanization increases instrumental violence, but not moral violence; Dehumanization entails exclusion from the moral category of human, leaving persons vulnerable to harm with no moral consideration given to their experiences. — Dehumanization in the Global Migration Crisis (+3 more)

Dehumanization entails exclusion from the moral category of human, leaving persons vulnerable to harm with no moral consideration given to their experiences. (similarity 0.89)
Dehumanization causes perpetrators to perceive victims as nonhuman and therefore not entitled to moral obligation (similarity 0.87)
Dehumanization redefines targets as less human, using terms like ‘animals’ and ‘vermin’ to get people to accept or engage in atrocities. (similarity 0.86)
To dehumanize someone is to strip them of qualities that make them recognizable as fully human, so cruelty no longer feels like cruelty (similarity 0.84)
Dehumanizing portrayals can lead victims to be seen as less capable of suffering and less deserving of humane treatment. (similarity 0.84)
Successful dehumanizing creates moral exclusion, placing targeted groups outside the scope of moral protection (similarity 0.83)
Harmful agents were perceived to possess less agency than neutral or benevolent agents, consistent with dehumanization. (similarity 0.82)
Victims might self-dehumanize because doing so makes their maltreatment appear to be deserved, reducing their distress. (similarity 0.79)