We need more x-founders and investors, the rare ones with heart and soul, to not only talk about health, but actively promote a healthy lifestyle. You might miss a unicorn or two, but you'd end up with less dead and utterly messed up founders, I think.
He passed away from his battles with addiction, not really from "working too hard".
Point is, it's incredibly easy to engage in destructive behavior, especially if you've got the mindset of taking things to extremes.
We don't really need to change an entire society, all we need to do is legalise and regulate recreational drugs. That immediately solved the problem of missold drugs. The societal stigma which prevents people seeking help for addiction might not vanish overnight but it's impossible to do anything about it while drugs like opioids are illegal.