An articulate piece, for certain, however, I do not agree with the conclusion.
True addiction is a very powerful force, however, people overcome it all the time and they do so through their own inner strength and the support of those closest to them.
Telling victimised families that there is nothing they could have done may help ease their grief but it does so at the expense of personal accountability. Religion appeals to those who want to pass ultimate responsibility for their actions to a "higher power". The rest of us know that we are responsible for our own behaviour.