finals

so what is really the point in studying for finals? i mean, the whole idea is to test you on what you know...so cramming a lot of unnecessary information in for the tests is not only dangerous (for some people, anyway), it gives inaccurate results, which leads to the professors, and ultimately, the world, thinking we're smarter than we actually are. so i must ask, where's the advantage in that? if the terrorists think we're stupid, we might actually catch some...