The effects are serious because it can dehumanize and or undermine someone.
From the charlotteobserver.com
Watch out for an employee who makes derogatory statements that dehumanize co-workers.
From the usatoday.com
Look at the lengths to which the United States and Japan went to dehumanize the other.
From the smallwarsjournal.com
Its sad reading how this article and many of the subsequent comments dehumanize my mother.
From the ocregister.com
They prefer to dehumanize the unborn with words like fetus and zygote.
From the kentucky.com
The point simply is that you can't dehumanize a person for having done something horrible.
From the newsfeed.time.com
Its critics see a series that uses stereotypes to dehumanize Muslims.
From the dallasnews.com
All are meant to dehumanize, and even today, they are seen and recognized throughout society.
From the freep.com
Much of the reactionary response attempts to dehumanize the people of Mexico and these women.
From the nytimes.com
More examples
Deprive of human qualities; "Life in poverty has dehumanized them"
Make mechanical or routine
(dehumanization) the act of degrading people with respect to their best qualities; "science has been blamed for the dehumanization of modern life"
(Dehumanized (Disturbed song)) "Stricken" is a song by American rock band Disturbed from Chicago. The song was released on July 25, 2005 as the lead single from their third studio album Ten Thousand Fists. ...
(Dehumanizes) Dehumanization is the process by which members of a group of people assert the "inferiority" of another group through subtle or overt acts or statements. ...
(Dehumanization (album)) Dehumanization is the only full-length album released by American hardcore punk band Crucifix. Released in 1983, it is today regarded as one of the classic anarcho-punk records, as well as an important D-beat record.
To take away humanity, to remove or deny human qualities, characteristics, or attributes
(Dehumanization) "killing" the humanity of another. It is the process of depriving others of human qualities, personality, or spirit.
(Dehumanization) The Nazi policy of denying Jews basic civil rights such as practicing religion , education, and adequate housing.