Of course somebody would have to be told off to keep an eye on them, and that's bad, but surely SOMEbody would feel that the enjoyment of seeing them humiliated outweighed the inconvenience?
"When they aren't doing Five Mile Runs, they can pick up trash along the highways or, as General Patton said, shovel $#!+ in Louisiana."
Great idea! I might even volunteer to supervise. ;)