That may be because a great deal of the younger population grew up with the result of the changes he helped bring about, so it may not mean as much to them as older people. Younger people never had to live with the situation as it was. Usually, people don't realize how good they have it if they didn't live through how bad it was.
But, I guess the point is, you thought about him. The day off is meant to show the menaing he had and for people to remember it. I'd have guessed that schools would have taken the Friday before as a chance to go over what he has done and why you would be getting Monday off, but I guess not.