Nobody said good product or beneficial to the user - the discussion is about people's preferences. Many people have very strong preferences for crack over not crack.
Since we’re discussing preferences, drug sellers have a strong preference for people choosing crack over not crack.
Furthermore, their preference is the one that is consequential. Once you are addicted and chemically compelled to choose crack over what is more or less torture, the amount of agency you have is relatively insignificant.
Furthermore, their preference is the one that is consequential. Once you are addicted and chemically compelled to choose crack over what is more or less torture, the amount of agency you have is relatively insignificant.