Talking about the problems and circumstances people face which may lead to substance use (including alcohol and THC) is still stigmatised and socially taboo in the community compared to the simplistic conversation about effects of substance use.
Can you imagine if we all spoke openly about the problems and various forms of abuse, neglect and violence in the community?
I'm professionally neck deep in this, and still people turn to coping mechanisms before opening up. It's rather sad.