Despite this probably being effective for casual or opportunistic people, the problem is that the opposite of the responsibility hot-potato thing happens on the

Despite this probably being effective for casual or opportunistic people, the problem is that the opposite of the responsibility hot-potato thing happens on the "client" side too. Companies dedicated to "getting around these tools" and their ads start popping up, and now you have these companies effectively (in students' minds anyway) taking over the responsibility of dealing with the tool. So it becomes an IT pros vs IT pros cat-and-mouse game, just like jailbreaking and every other game cheating service.