You are exactly correct. Nothing is off-topic on Hacker News; the rule is "anything that gratifies one's intellectual curiosity", so that's a pretty wide mandat

You are exactly correct. Nothing is off-topic on Hacker News; the rule is "anything that gratifies one's intellectual curiosity", so that's a pretty wide mandate. I know you're saying you're not complaining, but you clearly are. Complaining things are off-topic isn't really helpful. I don't think the article is very good, but the problem isn't that LSD usage is somehow off-topic.