Only with racism is this approach taken. And when people take that approach, it shows they don't really care.
"Shut up and don't talk about racism" is never going to make it go away. The people who promote that approach either are delusional enough to think that will work..... or they don't actually want it to go away.
Racism yes was part of justifying the Atlantic slave trade. However there is a global picture.
It was used to justify colonialism and today it is used to justify neocolonialism.
For example, I saw a movie depicting Muslims in the Middle East as savages. It might just have been a movie showing on TV.... but there are geopolitical reasons for why racism has been cultivated for 500 years and why the movie made such a terrible depiction.
The movie can't show Muslims as being doctors, lawyers, loving family members..... it has to show them as dehumanized savages.
This is the core of the racism. It has to dehumanize people and make them appear to be less human. When it is internalized, the colonized subject feels themselves to be less than human. Again, I am reciting themes from Frantz Fanon and Paulo Freire- I am not making the stuff up.
If the media depicted Middle Eastern Muslims the same as it depicts Europeans..... then there's no way the US would be able to get its people to support bombing Middle Easterners. The only exception with Europeans though is Russians. The US public is psychologically prepared for war against Russia..... but bombing Western European countries would be unthinkable.... whereas the US can randomly declare war on Muslim countries for no particular reason (coughcoughIraq) and the US public will support it.
Racism is there for geopolitical reasons.
And the people who try to silence the ones who talk about are complicit with its perpetuation as well the crimes it is associated with.