Agreed, but this sort of minor faux pas does not seem to be worth -10 karma. It would be nice if there were some way to transfer posts from section to section.
I'm not sure from this comment whether you already know this or not, but in case not: the author can do that. I presume that LW editors can too.
Nick Bostrom recently posted the article "Information Hazards", which is about the myriad of ways in which information can harm us.
You can read it at his website: Direct PDF Link