I don't know about all that. But it appears he's trying to use the same logic on his own ideas that he uses on his people.
Total "compensation" should be based on salary relative to their areas of expertise cross-industry & the current strike price of any option grants relative to current valuations & vesting schedules.
Based on the article, it not at all clear that Facebook is doing any of this.
FWIW, those maxims apply to compensation strategies irregardless of company size, business model, or public/private status. I refer you to Warren Buffett's many communications on such matters over the years.
Additionally, if anyone had similar access to the wealth, privilege, and social contacts as Mr. Zukerberg did during their childhood & adolescence, they'd better damn well be changing the world.