We have trouble enough controlling them in the classroom as it is. I can't imagine what they would be like if they were discouraged, as Rosemond suggests, from playing club and school sports, playing in the band, singing, painting, drawing, being members of the Scouts, participating in 4-H or just playing games with other kids from their neighborhood. Simply put, kids need physical activity to help them burn the excessive calories their young bodies store. Their brains desperately need the oxygen that exercise provides. Sure, chores are a possibility, but you can only scrub the toilet so many times a week.
Homework is also an excellent idea.
But, the reality is that kids don't do it when their parents are home, never mind by themselves. Rosemond also argues that musically inclined kids should be encouraged to find other avenues for their talents. That is insane. There will be no new bands. Symphony orchestras will fade into the sunset.