The people who have a problem with him saying it don't understand white supremacy.
To understand and grasp what he is saying you must have a complete understanding of how racism/white supremacy affects all 9 areas of human activity. A great place to start is with Neely Fuller Jr.
Nine (9) Major Areas of People Activity in the Known Universe
1. Economics
2. Education
3. Entertainment
4. Labor
5. Law
6. Politics
7. Religion
8. Sex
9. War
All problems of non white people globally can be traced back to racist/white supremacists involvement in these 9 areas. Yes there is personal responsibility we all have, HOWEVER as long as the racist/white supremacist is practicing racism/white supremacy then every proactive choice you make as a non white person will be met with resistance by the system of racism/white supremacy.
When Kefta says "context of racism/white supremacy" he is in essence forcing you to connect the dots.