He's being downvoted for making a moronic criticism: what the person feels under the influence of ketamine is obviously irrelevant, of no value for treating depression, this would be just as obvious to the researchers as to him, and so they couldn't possibly have meant that, and indeed, the second sentence of the article says benefits last well beyond the immediate influence.
You're an idiot, I wasn't making a moronic criticism, I happen to be 100% anti-drug prohibition, but yet again on Hacker News, I've been massively down-voted and insulted for making a joke.
He's being downvoted for making a moronic criticism: what the person feels under the influence of ketamine is obviously irrelevant, of no value for treating depression, this would be just as obvious to the researchers as to him, and so they couldn't possibly have meant that, and indeed, the second sentence of the article says benefits last well beyond the immediate influence.