Alternatively, we were already hard on drug addicts and it was reflection of the time. Fast-forward to present day, we've been steadily shifting towards a more reasonable approach towards drugs, slowly but surely.
It's also well established that the black community was for the harsh laws of the crack epidemic, having believed it would help end the crisis by keeping criminals off the streets. In that light, the results start to look more as a result of unintended consequences than some type of modern-day chattel system as implied by present-day activists.