There is a slight amount of relief in knowing that you know slightly more than you knew before. Does that make sense? Regardless, requiring everyone to spend hours learning the same things reduces their humanity and uniqueness. It probably has a few beneficial effects though.
Homer Simpson says:
How is education supposed to make me feel smarter? Besides, every time I learn something new, it pushes some old stuff out of my brain. Remember when I took that home wine-making course, and I forgot how to drive?