When I was around 10 or 11. She told me that and a room with a made bed simply looks better, even if slightly cluttered and dusty. When the guy in the video said it, I heard a few chuckles but he was dead on.
I have also relayed to my boys what we were taught in boot camp. They told us that if we cannot perform a simple detail of making a bed or folding shirts a certain way, how can we be trusted to do a job that might make or break a military operation or even save a life.