It's no secret that Mark Zuckerberg has always intended to keep control of the company and that his vision is a long-term one. So, investors got into facebook thinking something else would happen, and overvalued it in the process. But Zuckerberg doesn't really owe them anything other than to continue running the company with his vision (which would certainly pass good faith legal tests if it ever came to that).

What I'm getting at is that Zuckerberg has the ability stay, and he probably wants to stay. We can mock him all we want for what I consider wall street's mistakes, but what's his motivation to care?