Good factual post, I have worked in substance misuse and mental health for over 15 years. The disease model for addiction is no longer evidence based and I understand over in the US, DSM 5 has recently revised its terminology to reflect new thinking. In terms of alcohol issues there are numerous studies here in the UK that have shown some improvement can be made in relation to ARBI, here is one study
http://www2.nphs.wales.nhs.uk:8080/SubstanceMisuseDocs.nsf/85c50756737f79ac80256f2700534ea3/8455b3ff0835b96980257dfd0035cde3/$FILE/Evidence-based%20profile%20of%20alcohol%20related%20brain%20damage%20in%20Wales.pdf