I don't know if the message will do much as far as reaching kids that are already using or are wannabees. The films (before there were "videos") of what heroin addicts looked like and sounded like, and which were copied for the meth-heads, also had little impact on kids that were already using or inclined to use/were wannabes. Same for the anti-smoking PSAs that show former smokers who have had the most serious consequences.
All I come away with is that his parents are still not bearing their share of the culpability.
You want your kid to not use drugs? Become as aware as you can about what they are doing, who they are hanging out with, and how they dress/speak/act outside the house. And then pretend you are your greatgrandparents dealing with your grandparents when they caught the kids smoking corn silk and trying to make home-brew wine.
stay safe.