The issue with the first justification is that no one has actually claimed that the existence of such a rule is obvious or self-evident. Publicly holding a non-obvious belief does not obligate the holder to publicly justify that belief to the satisfaction of the author.
However, Yudkowsky also called the rule “straightforward” and said that
violating it this hugely and explicitly is sufficiently bad news that people should’ve been wary about this post and hesitated to upvote it for that reason alone
That is, he expected majority of EA Forum members (at least) to also consider is a “basic rule”.
However, Yudkowsky also called the rule “straightforward” and said that
That is, he expected majority of EA Forum members (at least) to also consider is a “basic rule”.