As one of those people, I completely agree. My entire social circle uses drugs in some way. But that means I don't see outside it. And I very often connect with

As one of those people, I completely agree. My entire social circle uses drugs in some way. But that means I don't see outside it. And I very often connect with people, adding them to my circle, because we subtly realise we both share that experience. So definitely don't assume my experiences are a random sample of the population :)