This is fair, this is good. Everyone has the same chance. It is not biased due to timezone or proximity to an email server. It is not who can press F5 the quickest.
And I think the answer to the last FAQ really says it all, from CC's perspective and EK's: "Clack Factory keycaps are very limited works of art, and it's the Clack Factory's wish that these not just be sold to the highest bidder (or fastest clicker)."