I think it's not an indelible problem for people to have moral failings. I have them all the time. Just gotta try to realize them and correct them. If doing heroin (like the first time I guess) is not a moral failing in your mind, I could see that.
So where do you draw the line between where it is someone's fault vs where it isn't? Your post implies some people are doing drugs not to self medicate. How do you determine?
I am asking myself if it matters. I guess it doesn't except to the extent I want to live in a society where people don't do heroin (or perhaps more accurately deal or buy heroin or heroin derivatives) so I'm thinking about how to design a system that encourages that. Putting people in jail is probably not the answer, but the responses I see don't seem to be either.
I don't know Demi's situation and I of course hope she recovers but if someone with all the resources in the world to help with addiction and mental illness doesn't get the help she needs, perhaps we don't do it right.
As a former opiate addict I can speak to this a little. Having the means to do rehab etc usually means you have the same means to buy copious amounts of drugs and it's hard to take that leap to not using anymore. At a certain point your brain is literally rewired (that's why we call it a disease) and stepping away becomes more and more difficult.
Your very question is one I and other addicts struggle with in our recovery daily: how do I acknowledge my own guilt and culpability while also accepting that parts of my addiction have been out of my control. There's been new research in the last decade that's also suggesting that many addicts are in fact "born" addicts they just don't have a specific addiction
yet. I don't recall the exact mechanisms or reasons but essentially it's a hard wired problem in the brain at birth with at least some addicts.
Add in mental health and abuse issues and someone is going to start looking to self medicate fairly early on and it can be a vicious cycle. Relapse is part of the game for many addicts though so there's hope for her yet. I know I fell flat on my face 100's of times before it stuck but I've been clean for almost a decade now and haven't looked back at all.
I'd also add that lots of rehab facilities are a joke and don't really treat the underlying mental issues (although it sounds like she at least had the right idea with the sober living house) or give you the necessary tools to survive once you're in the outside world. Addiction in general though needs far more resources devoted to it. Spaces at the good rehabs, subsidized maintenance meds, a "rebranding" of addiction so half the country don't think it's just a bootstraps thing. I'm sure if I hadn't just woken up I could think of more things to do but those would be a start