This seems fairly common on HN: sarcasm and subtle humour just goes over (many) peoples' heads, and people keep discussing it as if it were serious. That stump

This seems fairly common on HN: sarcasm and subtle humour just goes over (many) peoples' heads, and people keep discussing it as if it were serious. That stumped me for a while because people here are smart in general. I won't go into why I think that happens. My conclusion is that it's better not to post anything humourous -- unless it's obviously humourous.