The fact is that Blackmon is not "ready." Alcohol has been around for quite a while. It has invariably carried with it very similar problems through the centuries, even though each somewhat unique to their own associated contemporary times.
This very detailed historic / medical / statistical review of the success (or failure) of rehab
essentially reinforces the fact that if success is to be had, it will only occur because and when the subject is ready for it to be. A worthwhile read whether you have a problem with alcohol or not.