students already don't pay attention in lecture: * due to either learning/concentration issues * the fact that most lecturers are boring, dull, and unengaging

students already don't pay attention in lecture: * due to either learning/concentration issues * the fact that most lecturers are boring, dull, and unengaging * and oftentimes you can learn better from other sources making lecture longer doesn't fix a single one of these issues. it just makes students learn even less.