Yes, I agree this is an important point that author missed out on. There is a wide belief that there is physical addition which will affect anyone who makes a m

Yes, I agree this is an important point that author missed out on. There is a wide belief that there is physical addition which will affect anyone who makes a mistake of using too much of a powerfully addictive substance, then separately there is a mental disease of addition, which doesn't require an addictive substance. The main study this is linked to only addresses abstinence of a single drug. Abstinence != recovery is a very widely held belief.