That was written by another person with the same name.
Edit: I was mistaken, it is the same person. I read his attempt to distance himself from his youthful indiscretions overly literally.
Huh. I'll retract it for now, but I inferred it from the 6th footnote here, taking the fact that it was put up in 1993 by an Eliezer Shlomo Yudkowsky (when Eliezer was "like 13") on that very same message board... are you sure that comment wasn't just an indirect way of saying "Eliezer_1993 did it and Eliezer_2011 bears little resemblance to Eliezer_1993"? The comment you've linked to doesn't seem to bear out what you seem to be asserting (that some other Eliezer Shlomo Yudkowsy, genetically distinct from the one we all know and love,...
Below is a timeline of major Eliezer Yudkowsky publications. Note that, to my knowledge, everything on AI before 2006 is now obsolete. That's the nature of a quickly-moving field!