It's his site, and therefore his rules and the authorization of people he appointed to uphold said rules. That rather changes a whole lot if we compare it to international politics.
No, it doesn't. Because regardless of what Max Barry can do, it has nothing to do with what would be best to do.
And it's not being denied. You're free to suggest people for mods. You're also free to request rule changes be taken into consideration.
Sugestions are not a truly valid means of influence. Suggestions can simply be ignored. At least in a democracy, my suggestions have a real, functional chance of influencing something.

