alt Hacker NewsThat isn't the title either: the title is “Creating fair dice from random objects”, while what they are responding to may be something like “Creating fair coins from biased coins”. So they're only responding to the “Creating fair _ from _” part of the title. Responding to three out of six words in the title isn't bad I guess.
> and this trivially extends to constructing a fair N-sided die out of any arbitrarily biased die for any N
They wrote something interesting, even if it only tangentially matches the topic.
Pointing out that it doesn't exactly match the topic also adds to the conversation, I guess, but I think we've now exhausted any interest (so I won't be arguing further).