I agree with this in general though of course there are exceptions though from anecdotal experience they're outliers. The amount of people I went through my teenaged and then university years with who adopted the stance of "weed isn't a "real" drug and smoking every day for years on end doesn't make me an addict" when it was clearly affecting their life negatively in a visible way was always baffling. The majority of them didn't start smoking weed to "self medicate", they started recreationally and just got to a point where they didn't WANT to function without it but would begin to associate the "boring" feeling of sobriety as something that needs to be treated.