It's snarky self-deprecation, and a concession about the changing demographics of the sf/f community over time, and particularly online. I seriously doubt Charl

It's snarky self-deprecation, and a concession about the changing demographics of the sf/f community over time, and particularly online. I seriously doubt Charles Stross is actually bigoted against white people. But of course this being Hacker News, we don't grok humor.