It's a control / scale issue. Apple clamps harder on apps that infringe on its rules (it appears they have humans in the loop doing some active checking, if "My

It's a control / scale issue. Apple clamps harder on apps that infringe on its rules (it appears they have humans in the loop doing some active checking, if "My app got banned for ridiculous reasons" stories that hit HN periodically are to be believed). But Apple's developer base is so much larger that the amount of work needed to control against crap is proportionately higher.