It's not a guarantee :) But if you think for 5 minutes about how you would go about decreasing the volume and the toxicity of the electronics that gets landfilled every year, you might come to realize (like I did) that what EPEAT is doing is a more effective way to reach your hypothetical goal than a corporation's undertaking to take old products off the hands of consumers if the consumers bring them to their retail stores. (It's more effective because there're so many ways that the corporation can directly or indirectly put the old products on a boat to China or India.)