https://blog.twitter.com/official/en_us/topics/company/2018/Creating-new-policies-together.htmlQuote
For the last three months, we have been developing a new policy to address dehumanizing language on Twitter. Language that makes someone less than human can have repercussions off the service, including normalizing serious violence. Some of this content falls within our hateful conduct policy (which prohibits the promotion of violence against or direct attacks or threats against other people on the basis of race, ethnicity, national origin, sexual orientation, gender, gender identity, religious affiliation, age, disability, or serious disease), but there are still Tweets many people consider to be abusive, even when they do not break our rules. Better addressing this gap is part of our work to serve a healthy public conversation.
With this change, we want to expand our hateful conduct policy to include content that dehumanizes others based on their membership in an identifiable group, even when the material does not include a direct target. Many scholars have examined the relationship between dehumanization and violence. For example, Susan Benesch has described dehumanizing language as a hallmark of dangerous speech, because it can make violence seem acceptable, and Herbert Kelman has posited that dehumanization can reduce the strength of restraining forces against violence./quote]