[Spectato]

Also, we'll have to assume that all of these 'victims' took this stuff through their own consent.
As has been discussed, all that society can do to provide 'guidance' is to make these substances illegal, but even that cannot and will not prevent people from taking them, and occasionally dying, and even less occasionally mutilating themselves.

He wasn't hit by a drunk driver, randomly shot amid drive-by gang violence, caught up in malfunctioning farm machinery etc.
He chose to take a drug for a cheap thrill and got more than he bargained for.
Tough shizer!
It's not anyone else's fault but his own.