The use of the word «racist» in the West is used similarly the word «infidel» in Islamic societies. Such words become useful shaming tools to coerce people into compliance. They are not used to discuss matters; they are used to abort discussion, silence opposition, and often to threaten the livelihood and even the life of those who dissent. These are words are intended to render anyone who does not agree as evil and a pariah.

Nonie Darwish Tyranny of Shaming
American Race Wars as Seen by an Immigrant