Koch is a vanity President. The best Presidents are those you barely hear about. There's only two reasons you'd take on the honourary role of Prez. One is because you love the club and you will do what ever you can to help it succeed, or two, because it's all about you and building your brand. Koch is clearly in the second category. Say what you like about Eddie, but he undoubtedly loves Collingwood to a fault.
Koch was what they needed to pull them out of the massive hole they'd dug for themselves. Did a great job to get them back on their feet.
He's not what they need now though.