It's implicit in the form. Mediums can bend but they break. The hard part is figuring out where. Essays make you generalize; they're short. But generalizations

It's implicit in the form. Mediums can bend but they break. The hard part is figuring out where. Essays make you generalize; they're short. But generalizations need interpretation. And if you really want to know something, you read a technical paper or do it yourself. I could go on about this in comment but won't; Comments want to be witty.