From your article, it certainly does seem like injected powder cocaine and smoked crack cocaine are about the same on the body. And you can trivially make crack

From your article, it certainly does seem like injected powder cocaine and smoked crack cocaine are about the same on the body. And you can trivially make crack from powdered cocaine. Nobody has said they're 100% the same besides racism. The claim is that racism plays a role in why the sentencing disparities exist.