Not sure how this ties into racism. Can you explain? I think its an accepted fact that the drugs contribute to a large % of GDP in many nations like Mexico and Columbia and without that many which flows out of the US and Europe via the users these economies would deflate.
I guess from the official CIA POV they were more interested in fighting Communism in the 50-90s and any tool was used at their disposal including drugs. At least that’s become the official narrative