Hold on now, picking individual celebrity examples has some serious survivorship bias on its own. We don't hear from the ones who did experience early mortality.

Cannabis is a hard topic for Americans to talk about, because it's been so often unfairly demonized in the past, there's a pro-cannabis camp that sometimes won't admit any downside to it, fearing "Reefer Madness" style FUD which has been very common for decades.

But is it really all that surprising that smoking could be bad for your health, irrespective of what it is? My take would be that people shouldn't be persecuted for this, but that it's straightforwardly obvious that any smoking (and doubly so an unregulated plant that would reasonably be expected to vary tremendously in quality depending on supplier) -- would be harmful.