Exercising a "little discipline" doesn't really work for addictive substances. In my experience, high-functioning people with tons of impulse control often don't appreciate that others around them have more limited capacity for that. Despite drinking a lot in grad school, I just stopped after my daughter was born. Not out of any problem functioning, I was a social drinker and was just too busy with a job and baby. But it would be foolish of me to assume that everyone can just exercise "a little discipline" and go from 5+ drinks a night to nothing just like that.
In this episode Randy didn’t have Substance abuse disorder. He took the kids for a drive after drinking. He was caught and the court ordered him to undergo treatment despite there not being any proof that he was an alcoholic.
This mentality that anyone that does something dumb or illegal while drunk has a problem does no service for either those that actually have substance abuse disorder, nor for criminal justice. You should be responsible for your own actions, and if you are sick you need treatment. But ordering people to undergo treatment after a crime despite no evidence of a disorder is just plain bad. mkay.
I've known people that were fine smoking a cigarette every 3rd day. I'm not one and that would put me on a path of relapse in a hurry.
I'll agree that avoiding addiction takes discipline, but once addicted, it depends to what, and who you are whether you need to focus on recurring abstinence or if more moderation is the ticket.
After all, there's a passive danger in many things we do or neglect to do.