We were thinking the same thing here at work. Our best guess is he's either A) stupid, which this video drives home that point. Or B) has a brother that found and posted it.
Sad thing is, that wasn't that much weight. Those were the cheap sand filled weights. The big ones are 12 pounds and the small ones are 8 if I remember form the set I had when I was a kid. That's only 112 pounds!