I'm calling bs on this. I despise the guy (even before his crash, the way he was literally worshipped even here on hn, as though he was some kind of crypo-saint, was embarassing), but let's try and keep the rumor-mongering to a minimum.
I've been junkreading all about ftx and it's silly founder the past couple of days, and nowhere have I read that he shot himself up with drugs. Let's not take tweets or posts by randos with an axe to grind as facts.