Could you please stop posting unsubstantive and/or flamebait comments to Hacker News? You've been doing it repeatedly and that's not what this site is for.
I'm talking about comment quality. Even if we assume you're right about everything, your comment was still the kind of sensational-indignant rhetoric that is so common on the internet, but which HN users are asked not to post here. We want thoughtful, curious conversation—an altogether different animal.
almost all true, except for your last part. “they” and “useless eaters” were only mentioned in Dr. John A. Coleman’s “300 Committee”, book page 105, and no place else.