Because a CEO should also make sure the best thing a company has isn't run into the ground.
He might have done some okay/good things with the Western market, but at the same times hes butchered his companies biggest series. Stupid business decisions cost XIII. If the game stayed exclusive, knock a Year off dev time, at least. Then release the poor selling port when it's done. Don't delay (and increase expectations) of XIII even longer. That means you could also knock a Year off XIII-2. Versus XIII. XIII-3.
Star Ocean was made exclusive to a console in Japan, that had a userbase of a Million, when the competitors were flying ahead. The Last Remnant was looking to be a new series from them, they made it a 360 exclusive. People are STILL expecting the PS3 port...
All in all, they need someone else managing in Japan. Move Wada along to the Western market, kinda like a Reggie or Jack of Square Enix.