The board can't unilaterally decide the color of the Twitter logo is now green. They can pressure the CEO and threaten to hold a vote to fire him if he doesn't

The board can't unilaterally decide the color of the Twitter logo is now green. They can pressure the CEO and threaten to hold a vote to fire him if he doesn't change it, but up until that point the CEO is the ultimate decision maker for the company. Jack saying he didn't like decisions Twitter made is like if I started complaining that I didn't like the restaurant I chose for dinner.