A lot of addiction is caused by social issues or mental health issues, but it's really hard to deal with those issues when someone is also dealing with the effects of addiction. A drug like this could provide an opportunity to fix the underlying issues causing addiction in the first place.
And for some people they will have to take this for life, which isn't so different from many other medications.
Yeah, I honestly don’t see a problem with taking a drug for life, as long as the side effects are minimal and the logistics are simple. I’m in my early 30’s and have a family history of bad cholesterol. So once a day I will take a statin for the rest of my life. Not a problem, little to no side effects and pretty easy to manage, and not the end of the world if I miss one day every so often. Twice a day is not so easy to manage and plan but once a day is definitely manageable for a lot of people
And for some people they will have to take this for life, which isn't so different from many other medications.