Well…it’s found to effective at halting the immediate effects of severe depression. In other words, it’s just enough to stop someone from going suicidal or worse. It has NOT been shown to be a good candidate for long-term use in treating general depression in anyone, in fact, there’s a larger nunber of studies correlating Ketamine abuse with mental defect than showing it useful in a medical capacity.

That, and with the resources available to someone like Elon, I am sure he has some personal doctor giving him regular recreational access if he wants to.

That being said, the article is a bit sensationalist. It shouldn’t be ruled out as a contributing factor, but Elon has basically always had that confused arsehole streak to his character.