People are going stir-crazy now, in more luxurious circumstances than most people in the Fleet would've had. Zarek was barking up the wrong tree; most people probably envied that gardener for having an excuse to get out of his cabin and do something, rather than pitied him for the futility of his labor. Which would explain how he (and, later, Baltar) was polling so low in the Presidential race until he switched to a "everybody can go outside and will have stuff to do" platform.